Average Pay and Career Prospects for Docker Certified Associate

Docker skills are now one of the most in-demand skills in the industry, with Docker salaries in India being on the higher end. According to Indeed, the average annual salary for Docker-related software jobs in India ranges from Rs. 4,79,074 to Rs. 8,14,070. The following are the most popular software jobs for Docker experts:

• Rs. 4,79,074 for Software Test Engineer
• Rs. 5,83,964 for a Software Engineer
• Rs. 8,14,070 for Senior Software Engineer

Here are some more career opportunities explained –

1. Sr. Cloud Automation Engineer 

Salary: $83,500 – $179,100 a year

Responsibilities:

• Capability to troubleshoot development and microservices stack issues, as well as educational development organizations on cloud best practices
• Leads enterprise cloud services research, design, architecture, and implementation, including Infrastructure as a Service (IaaS), Software as a Service (SaaS), and managed platforms (PaaS).
• Assist in the training of team members and others on the use of scripting, configuration management, or automated solutions.
• Contribute to the development and documentation of cloud patterns and roadmaps.
• Create, maintain, refine, and enforce standards/procedures for implementing technical solutions to ensure the consistency and maintainability of cloud platforms.
• Maintain current knowledge of industry best practices and conduct active analyses to ensure that we make the enterprise’s best decisions.

2. Cloud Security Operations Specialist

Salary: $132K – $167K a year 

Responsibilities:

• Create and deploy third-party and cloud-native tooling to meet predefined requirements.
• Create standard operating procedures and training material for each technology.
• Architect and continuously improve the security technology stack, processes, and procedures, as well as the support model and cross-functional interactions, using automation whenever possible.
• Examine and investigate alerts generated by cloud security tools, and escalate as necessary.
• Examine and evaluate the use of cloud security tools.
• Encourage and drive enterprise-wide adoption of cloud security tools.
• Responding to cybersecurity incidents requires collaboration across the Security Operations team.

3. Cloud & Systems Administrator

Salary: $81.4K – $103K a year 

Responsibilities:

• Ensure that all containers are running and have sufficient resources (cpu, ram, hdd)
• Ascertain that data redundancy is available in the cluster.
• Within the Azure infrastructure, networking
• Keeping track of the number of replicas
• Creating a hard drive allocation design (GlusterFS)
• All deployments must be documented.
• Learn about Role Based Access Controls (RBAC) and how to assign permissions to resources.
• Connection to other services
• Have prior experience with network/server administration

4. AWS Solutions Architect 

Salary: $87K – $110K

Responsibilities:

• Manages all aspects of our AWS environment, including VPC, networking, storage, databases, monitoring, traffic management, and automation tools. Creates, builds, maintains, and troubleshoots enterprise-class solutions to meet business requirements.
• Provides advice on and implements AWS best practices.
• Identifies and converts business and technical requirements into an architectural blueprint in order to meet business objectives.
• Identifies the root cause of infrastructure problems and provides effective solutions within a wide range of application and functional expertise.

5. System Administrator / DevOps Engineer

Salary: $113K – $143K a year 

Responsibilities:

• API Gateway, WAF, Lambda, SQS, EC2, IAM, S3, Security Group, VPC, and other AWS services are implemented and supported.
• Solid understanding of modern DevOps principles, practices, methods, and tools.
• Throughout the project life cycle, provide implementation guidance/support to the customer.
• Implement and support CI/CD pipeline configurations for orchestrating system provisioning and deployment on both large and small scales.
• Provide expertise and/or develop competency in Terraform, Ansible, and Cloud Native Automation tools.
• Collaborate with the team to create, deploy, and maintain a cloud platform using a variety of programming languages and cloud-native technologies.

6. Cloud Services Engineer 

Salary: $89,500 – $161,000 a year

Responsibilities:

• Automation and Integration (Primary focus). To automate existing and new processes, the Cloud Services Engineer will integrate on-premises and cloud resources. They will be in charge of implementing new services as well as continuing development as new requirements and features are identified. The candidate will collaborate closely with development teams to deliver infrastructure and support active projects using DevOps practices.
• Deployment and upkeep. Configuration and maintenance of redundant, scalable, and high-availability solutions. Back-up/DR solutions for IaaS resources must be administered and supported. The Cloud Services Engineer will be in charge of managing and upgrading operating systems in cloud environments and ensuring that they are operationally sound.
• Review and security. In the cloud services environment, the Cloud Services Engineer will identify and adhere to all necessary security best practices and compliance requirements. They are responsible for creating and maintaining all relevant documentation for the services they support. They will implement cost-effective cloud-based systems that will meet the organization’s technical requirements.

Let us now go through some of the resources to help you clear the exam –

Training Programs

After reviewing all of the exam objectives, the next step in your study guide is to comprehend all of the learning resources. This will help you qualify for the DCA exam even more. Docker offers a few training courses to candidates that will help you understand each module with ease. All of the Docker-related training courses are listed below.

• First and foremost, Docker Fundamentals.
• Second, there is Docker for Enterprise Developers.
• Finally, the Docker Security Course

Interview Questions

You must have a high level of skill and knowledge in the required industry to obtain this certification. This is possible through various types of training and certification. There is, however, one more crucial step in this process: the interview. The majority of people obtain certification and knowledge, but they fall short in the interview process. So, to help you ace the interview, here are the top Devops interview questions.

Practice Tests

Remember that the more you practice, the more likely you are to pass any exam. As a result, ensure that you self-assess yourself by using a variety of Docker Certified Associate sample exam questions. You’ll be able to see where you’re lacking and where you need to focus your efforts this way. Take the practice or mock test only after you’ve completed the entire course. So, practice Docker Certified Associate (DCA) exams!

Additional Tips

These will provide that extra push needed to pass the Docker exam. So make sure you follow the tips and tricks mentioned-

• Set a goal for yourself. Organize everything, i.e. create and follow a routine.
• Make weekly goals and remember to keep track of them.
• As you practice, make a list of all the important topics from each domain. These lists are useful before taking the exam. Because you can simply go through that list.
• Time management and productivity are essential. Take breaks in between as well.

Final Words

Remember that no journey is complete without some struggle. Similarly, no exam can be passed without some stress. Furthermore, there have been others who have gone through a similar experience to yours. As a result, there are people who are dealing with it right now. You are not alone during this period.

The post Docker Certified Associate Exam | Career Opportunities appeared first on Blog.

Let us begin with a brief explanation of the exam!

About Docker Certified Associate

This exam is based on critical job activities performed by a Docker Certified Associate. The knowledge and skills validated by this exam represent a level of expertise at which a certified Docker Associate can:

• Use pre-existing images from a centralised registry to run containerized applications.
• Distribute images across the cluster.
• Issue reports from stakeholders are triaged and resolved.
• Setup one UCP manager, one DTR replica, and one worker node on Enterprise clusters.
• Traditional applications should be migrated to containers.
• Set up and troubleshoot the Docker engine.
• General maintenance and configuration should be performed.

Exam Details 

The Docker Certified Associate exam consists of 13 multiple-choice questions and 42 discrete option multiple-choice questions that must be completed in 90 minutes by the candidate. The exam is only available in English. In addition, the Docker Certified Associate exam costs USD 195 or Euro €175. Furthermore, the outcome will be delivered right away.

Benefits of the Docker Certification 

• An official Docker credential will recognize your Docker skills.
• Docker Certified Associate logo and digital certificate
• Potential employers can verify your Docker Certified status online.
• Access to the Docker Certified professional network on LinkedIn, as well as invitations to certified-only events

Let us now move to the main point of the article –

Is It worth taking the Docker certification?

Docker is useful not only for developers but also for system administrators, making it an essential component of DevOps toolchains. For developers, this means that they can concentrate on writing code without worrying about the system on which it will ultimately run.
Docker provides operational flexibility and may reduce the number of systems required due to its small footprint and lower overhead.

The annual Developer Survey conducted by Stack Overflow is widely regarded as one of the most credible and well-researched in the industry. In 2019, they published their annual Developer Survey reports, which show that while Linux and Windows are the most popular platforms, Docker was the third most widely used platform for container technologies. As a result, Docker certification is unquestionably valuable.

Let us now look at the exam detailed course outline to get a better picture of the exam –

Docker Certified Associate Exam Course Outline 

Docker has divided the curriculum into several sections. The Docker Certified Associate exam covers the exam’s objectives and sub-topics. The following are the Docker Certified Associate exam objectives:

Domain 1: Orchestration (25% of exam)

• Complete the setup of a swarm mode cluster, with managers and worker nodes. (Documentation: Create a swarm)
• Describe and demonstrate how to extend the instructions to run individual containers into running services under the swarm. (Documentation: Deploy service to the swarm)
• Describe the importance of quorum in a swarm cluster.
• Describe the difference between running a container and running a service.
• Interpret the output of “docker inspects” commands. (Documentation: Inspect a service on the swarm)
• Convert an application deployment into a stack file using a YAML compose file with “docker stack deploy” (Documentation: docker stack deploy)
• Manipulate a running stack of services. (Documentation: Related commands)
• Describe and demonstrate orchestration activities.
• Increase the number of replicas. (Documentation: docker service scale)
• Add networks, publish ports. (Documentation: Networking overview)
• Mount volumes. (Documentation: Use volumes)
• Describe and demonstrate how to run replicated and global services. (Documentation: Replicated and global services)
• Apply node labels to demonstrate the placement of tasks. (Documentation: docker node update)
• Describe and demonstrate how to use templates with “docker service create”. (Documentation: Create services using templates)
• Identify the steps needed to troubleshoot a service not deploying. (Documentation: Deploy a service to the swarm)
• Describe how a Dockerized application communicates with legacy systems. (Documentation: Container networking)
• Describe how to deploy containerized workloads as Kubernetes pods and deployments.
• Describe how to provide configuration to Kubernetes pods using config maps and secrets. 

Domain 2: Image Creation, Management, and Registry (20% of exam)

• Describe the use of Dockerfile.
• Describe options, such as add, copy, volumes, expose, entry point. (Documentation: FROM)
• Identify and display the main parts of a Dockerfile. (Documentation: Dockerfile)
• Describe and demonstrate how to create an efficient image via a Dockerfile. (Documentation: Best practices for writing Dockerfiles)
• Describe and demonstrate how to use CLI commands to manage images, such as list, delete, prune, rmi. (Documentation: Usage)
• Describe and demonstrate how to inspect images and report specific attributes using filter and format (Documentation: Extended description)
• Describe and demonstrate how to tag an image. (Documentation: docker tag)
• also, Describe and demonstrate how to apply a file to create a Docker image.
• furthermore, Describe and demonstrate how to display layers of a Docker image
• moreover, Describe and demonstrate how to modify an image to a single layer.
• also, Describe and demonstrate registry functions. (Documentation: Copy an image from Docker Hub to your registry)
• furthermore, Deploy a registry. (Documentation: Deploy a registry server)
• moreover, Log into a registry. (Documentation: Parent command)
• also, Utilize search in a registry.
• furthermore, Push an image to a registry.
• Sign an image in a registry.
• Pull and delete images from a registry.

Domain 3: Installation and Configuration (15% of exam)

• Describe sizing requirements for installation.
• also, Describe and demonstrate the setup of the repo, selection of a storage driver, and installation of the Docker engine on multiple platforms.
• furthermore, Describe and demonstrate the configuration of logging drivers (Splunk, journals, etc.). (Documentation: Configure logging drivers)
• moreover, Describe and demonstrate how to set up a swarm, configure managers, add nodes, and set up the backup schedule.(Documentation: Administer and maintain a swarm of Docker Engines)
• also, Describe and demonstrate how to create and manage user and teams.
• furthermore, Describe and demonstrate how to configure the Docker daemon to start on boot. (Documentation: Configure and troubleshoot the Docker daemon)
• also, Describe and demonstrate how to use certificate-based client-server authentication to ensure a Docker daemon has the rights to access images on a registry. (Documentation: Verify repository client with certificates)
• Describe the use of namespaces, groups, and certificate configuration.
• also, Describe and interpret errors to troubleshoot installation issues without assistance.
• furthermore, Describe and demonstrate the steps to deploy the Docker engine, UCP, and DTR on AWS and on-premises in an HA configuration.
• moreover, Describe and demonstrate how to configure backups for UCP and DTR.

Domain 4: Networking (15% of exam)

• Describe the Container Network Model and how it interfaces with the Docker engine and network and IPAM drivers.
• also, Describe the different types and use cases for the built-in network drivers.
• furthermore, Describe the types of traffic that flow between the Docker engine, registry and UCP controllers.
• moreover, Describe and demonstrate how to create a Docker bridge network for developers to use for their containers. (Documentation: Use bridge networks)
• Describe and demonstrate how to publish a port so that an application is accessible externally.
• also, Identify which IP and port a container are externally accessible on.
• furthermore, Compare and contrast “host” and “ingress” publishing modes.
• moreover, Describe and demonstrate how to configure Docker to use external DNS.
• also, Describe and demonstrate how to use Docker to load balance HTTP/HTTPs traffic to an application (Configure L7 load balancing with Docker EE).
• Understand and describe the types of traffic that flow between the Docker engine, registry, and UCP controllers
• Describe and demonstrate how to deploy a service on a Docker overlay network. (Documentation: Use overlay networks)
• Describe and demonstrate how to troubleshoot container and engine logs to resolve connectivity issues between containers. (Documentation: Logs and troubleshooting)
• Describe how to route traffic to Kubernetes pods using ClusterIP and NodePort services.
• Describe the Kubernetes’ container network model.

Domain 5: Security (15% of exam)

• Describe security administration and tasks. (Documentation: Docker security)
• Describe the process of signing an image. (Documentation: Content trust in Docker)
• also, Describe default engine security.
• furthermore, Describe swarm default security. (Documentation: Manage swarm security with public key infrastructure (PKI))
• also, Describe MTLS.
• furthermore, Describe identity roles.
• moreover, Compare and contrast UCP workers and managers.
• Describe the process to use external certificates with UCP and DTR.
• also, Describe and demonstrate that an image passes a security scan.
• furthermore, Describe and demonstrate how to enable Docker Content Trust.
• moreover, Describe and demonstrate how to configure RBAC with UCP.
• also, Describe and demonstrate how to integrate UCP with LDAP/AD.
• Describe and demonstrate how to create UCP client bundles. 

Domain 6: Storage and Volumes (10% of exam)

• Identify the correct graph drivers to uses with various operating systems.
• Describe and demonstrate how to configure device mapper. (Documentation: Use the Device Mapper storage driver)
• also, Compare and contrast object and block storage and when they should be used.
• furthermore, Describe how an application is composed of layers and where these layers reside on the filesystem.
• moreover, Describe the use of volumes is used with Docker for persistent storage.
• also, Identify the steps to take to clean up unused images on a filesystem and DTR. (Documentation: docker image prune)
• Describe and demonstrate how storage can be used across cluster nodes.
• Also, Describe how to provision persistent storage to a Kubernetes pod using persistent volumes.
• furthermore, Describe the relationship between container storage interface drivers, storage class, (Documentation: Docker storage drivers)
• Persistent volume claim and volume objects in Kubernetes.

Let us now look at some resources that will help you ace the exam in one go!

Docker Training 

The candidate may also choose to participate in Docker training programs. Docker provides training programs for all exams. The training programs for a specific exam include all exam information such as the Docker Certified Associate exam syllabus, description, intended audience, delivery method, duration, and so on. To become a Docker Certified Associate, the candidate should enroll in a training program.

Practice Test 

Practice tests are the ones that ensure the candidate’s preparation. The Docker Certified Associate practice exam will assist candidates in identifying their weak points so that they can work on them. There are numerous Docker Certified Associate (DCA) practice tests available on the internet these days, so the candidate can select whichever one they prefer.

Study Groups

Participating in a group study will also benefit the candidate. It will motivate them to work harder. Furthermore, studying in a group will allow them to stay connected with other people who are on the same path as them. Furthermore, the discussion of such study groups will help students in their exams.

Conclusion

You will need to put in a lot of practice time for this exam. Even though this is not a performance-based exam, the more you practice, the easier it will be to remember in the exam. Docker has published the Docker Certified Associate exam agenda or syllabus. If you are motivated enough, you can do self-study, but if you are not, there are several platforms where you can get training for this exam. Start Practicing now!

The post Is Docker Certified Associate Exam worth it? appeared first on Blog.

What are the roles and responsibilities of a Docker Certified Associate?

As a Docker Certified Associate, you are expected to have a strong understanding of Docker technology and its applications. Your roles and responsibilities will vary depending on the position and company you work for, but here are some general expectations:

• Containerization: You will be responsible for containerizing applications and ensuring their compatibility with the Docker platform.
• Deployment: You will be responsible for deploying Docker containers on different platforms, including on-premise, cloud, or hybrid environments.
• Configuration: You will be responsible for configuring Docker containers and their settings, such as networking and storage.
• Maintenance: You will be responsible for maintaining Docker containers, including updating and patching software and managing system resources.
• Security: You will be responsible for ensuring the security of Docker containers and their data. This includes implementing security policies and procedures, monitoring for vulnerabilities, and responding to security incidents.
• Troubleshooting: You will be responsible for troubleshooting Docker-related issues, identifying the root cause, and providing solutions to resolve them.
• Collaboration: You will be expected to work collaboratively with other team members, including developers, system administrators, and security professionals, to ensure successful Docker deployments and management.

Overall, as a Docker Certified Associate, you are expected to have a deep understanding of the Docker platform and be able to manage Docker containers effectively and efficiently.

What is the market demand for Docker Certified Associates?

The demand for Docker Certified Associates has been growing rapidly in recent years due to the widespread adoption of containerization technology in software development and deployment. Docker Certified Associates are skilled professionals who have demonstrated their expertise in the Docker platform and are able to manage, deploy, and secure Docker containers.

According to job market analysis, there is a high demand for Docker Certified Associates across various industries, including technology, finance, healthcare, and more. Many companies require Docker skills and certification for roles such as DevOps engineers, system administrators, software developers, and cloud architects.

Furthermore, Docker is one of the most popular containerization platforms in the market, which further fuels the demand for Docker Certified Associates. As the technology continues to evolve, the demand for skilled professionals with Docker certification is expected to grow even more.

How to become a Docker Certified Associate?

To become a Docker Certified Associate, you will need to follow these steps:

1. Learn Docker fundamentals: Docker is a containerization platform used to create, deploy, and run applications. You will need to have a solid understanding of Docker fundamentals, such as Docker architecture, Docker CLI, Docker images, Docker containers, and Docker networking.
2. Gain hands-on experience: To become a Docker Certified Associate, you need to have hands-on experience with Docker. You can gain experience by building and deploying Docker containers, working with Docker images, and managing Docker networks.
3. Study for the Docker Certified Associate exam: Docker offers a certification exam for Docker Certified Associate. The exam tests your knowledge of Docker fundamentals and your ability to use Docker in real-world scenarios. You can study for the exam by taking online courses, reading Docker documentation, and practicing with Docker exercises.
4. Register for the Docker Certified Associate exam: Once you feel confident in your Docker knowledge, you can register for the Docker Certified Associate exam. The exam consists of 55 multiple-choice questions, and you will have 90 minutes to complete it. You can take the exam online or in a test center.
5. Pass the Docker Certified Associate exam: To become a Docker Certified Associate, you need to pass the Docker Certified Associate exam with a score of 65% or higher. If you pass the exam, you will receive a Docker Certified Associate certificate.

By following these steps, you can become a Docker Certified Associate and demonstrate your expertise in Docker containerization technology.

How to prepare for the Docker Certified Associate Exam?

Docker Certification entails passing the Docker Certified Associate (DCA) exam and establishing a reputation for your Docker abilities. The Docker container, as an example of innovation, has altered the way software is transported. Let us look step by step at How to become a Docker Certified Associate –

Practice Test 

Practice tests are the ones that ensure the candidate’s preparation. The Docker Certified Associate practice exam will assist candidates in identifying their weak points so that they can work on them. There are numerous practice tests available on the internet these days, so the candidate can select which one they prefer. You can also take a free practice test.

Study Groups 

Always feel free to ask questions on online forums populated by people who have passed the same or a similar exam. An experienced person can help you in ways that no one else can. Study groups can help boost your confidence and develop your self-esteem. Studying in a group also fosters a competitive spirit, which aids in performance enhancement.

Step 5 – Take the exam in accordance with the Expert’s Advice

Remember that no journey is complete unless there is some struggle. Similarly, no exam can be qualified without a certain amount of stress. Furthermore, there have been others who have gone through a similar experience to yours. As a result, some people are dealing with it right now. You are not alone in this stage of your life. In conclusion, we would advise you to stay focused and remember that the best job opportunities are only a test away. So continue to practice!

Remember that the more you practice, the closer you are to passing any examination. As a result, ensure that you self-evaluate yourself using various Docker Certified Associate practice exam test papers. This way, you’ll be able to see where you’re lacking and where you need to improve.

The post How to become a Docker Certified Associate? appeared first on Blog.

About Docker Certified Associate

The IT sector has a high demand for the Docker Certified Associate examination. Docker skills are valuable, and the Docker Certified Associate (DCA) exam validates this expertise with real-world questions crafted by experienced Docker practitioners. The skills and knowledge assessed in this exam are derived from an understanding of the tasks performed by existing Docker users.

The exam validates the skills and knowledge of IT professionals in the use of Docker technologies. The DCA certification is designed to test the understanding of Docker fundamentals, including the Docker platform, installation, and configuration, as well as image creation, management, and registry.

The Docker Certified Associate exam covers the following topics:

• Docker architecture and components: This includes an understanding of Docker engines, images, containers, networks, and volumes.
• Installation and configuration: The exam tests the candidate’s ability to install and configure the Docker engine, create and manage Docker networks, and configure Docker volumes.
• Image creation, management, and registry: The exam covers the creation and management of Docker images, as well as the use of a Docker registry for image distribution and collaboration.
• Networking and security: The exam tests the candidate’s knowledge of Docker networking, including the creation of custom networks and the use of network plugins. It also covers Docker security, including security best practices and the use of security-related tools and features.

Skills Required:

The Docker Certified Associate (DCA) exam tests the following skills:

• Understanding of Docker architecture and components: Candidates are tested on their understanding of the Docker engine, images, containers, networks, and volumes.
• Installation and configuration: Candidates are tested on their ability to install and configure the Docker engine, create and manage Docker networks, and configure Docker volumes.
• Image creation, management, and registry: Candidates are tested on their knowledge of creating and managing Docker images, as well as their ability to use a Docker registry for image distribution and collaboration.
• Networking and security: Candidates are tested on their understanding of Docker networking, including the creation of custom networks and the use of network plugins. They are also tested on their knowledge of Docker security, including security best practices and the use of security-related tools and features.
• Containerization and orchestration: Candidates are tested on their ability to create and manage containers, as well as their understanding of container orchestration and management tools, such as Docker Compose and Kubernetes.

Exam Format

The Docker Certified Associate exam consists of 55 questions to be completed within 90 minutes, so effective time management is crucial. It’s advised not to exceed 1 minute and 30 seconds per question, considering the total number is 60. If you finish the exam in 60 minutes on average, you’ll have 30 minutes for reviewing and double-checking your answers.

The test also contains a variety of question categories, such as case studies, short answers, multiple-choice, mark reviews, etc. You can finish the case study questions first as there are several sorts of questions. Thus, they take the longest to complete. You can go on to short responses after that, then multiple-choice questions. You will have to pay USD $195 or EUR €175 for this exam if you purchase it online. The best feature is that you can see the test results right away.

Exam Policies

Retake/Cancellation:

Examinations may be postponed or canceled 48 hours prior to the original appointment time. Exam payments will be lost if you don’t cancel or reschedule within this window of time.

If you fail a Docker Certification test, you are permitted to repeat it with the following restrictions:

• You must wait 14 days after your failed exam to retake it.
• Every time you take a test, you must pay the exam fee.

Identification Requirements (during the exam):

A valid form of identification must be presented: One form of identification must be a VALID government-issued ID with your signature, full legal name, and photo on it (such as a driver’s license, state ID, or passport). There could be a need for a second type of identification. Any identification, if requested, should bear your signature and complete legal name.

The name on the registration form and your Examination Eligibility Form must match all forms of identification you present. You will not be allowed to take the exam at that time if you do not present ALL necessary identification at the time of the test. This is regarded as a missed appointment. You will lose your exam money in this situation.

No-show policy:

Up to 15 minutes before the start of your session, you may begin your exam. Your exam MUST begin no later than 15 minutes after the time of your planned appointment. The system will classify you as a No-Show and you won’t be allowed to take your test if you don’t start your exam within 15 minutes of your planned appointment time.

Course Outline 

It is very important to know the possible domains and topics which the exam covers. Further, these are the objectives one must cover and learn in order to successfully pass the exam.

Domain 1: Orchestration: 25%

• Complete the setup of a swarm mode cluster, with managers and worker nodes
• State the differences between running a container vs running a service
• Demonstrate steps to lock a swarm cluster
• Extend the instructions to run individual containers into running services under swarm
• Interpret the output of “docker inspect” commands
• Convert an application deployment into a stack file using a YAML compose file with “docker stack deploy”
• Manipulate a running stack of services
• Increase number of replicas
• Illustrate running a replicated vs global service
• Mount volumes
• Add networks, publish ports
• Identify the steps needed to troubleshoot a service not deploying
• Apply node labels to demonstrate placement of tasks
• Sketch how a Dockerized application communicates with legacy systems
• Paraphrase the importance of quorum in a swarm cluster
• Demonstrate the usage of templates with “docker service create”

Domain 2: Image Creation, Management, and Registry: 20%

• Describe Dockerfile options(add, copy, volumes, expose, entrypoint, etc)
• Show the main parts of a Dockerfile
• Give examples on how to create an efficient image via a Dockerfile
• Use CLI commands such as list, delete, prune, rmi, etc to manage images
• Inspect images and report specific attributes using filter and format
• Demonstrate tagging an image
• Utilize a registry to store an image
• Display layers of a Docker image
• Apply a file to create a Docker image
• Modify an image to a single layer
• Describe how image layers work
• Deploy a registry (not architect)
• Configure a registry
• Log into a registry
• Utilize search in a registry
• Tag an image
• Push an image to a registry
• Sign an image in a registry
• Pull an image from a registry
• Describe how image deletion works
• Delete an image from a registry

Domain 3: Installation and Configuration: 15%

• Demonstrate the ability to upgrade the Docker engine
• Complete setup of repo, select a storage driver, and complete installation of Docker engine on multiple platforms
• Configure logging drivers (splunk, journald, etc)
• Setup swarm, configure managers, add nodes, and setup backup schedule
• Create and manager user and teams
• Interpret errors to troubleshoot installation issues without assistance
• Outline the sizing requirements prior to installation
• Understand namespaces, cgroups, and configuration of certificates
• Use certificate-based client-server authentication to ensure a Docker daemon has the rights to access images on a registry
• Consistently repeat steps to deploy Docker engine, UCP, and DTR on AWS and on premises in an HA config 1, 2, 3
• Complete configuration of backups for UCP and DTR
• Configure the Docker daemon to start on boot

Domain 4: Networking: 15%

• Create a Docker bridge network for a developer to use for their containers
• Troubleshoot container and engine logs to understand a connectivity issue between containers
• Publish a port so that an application is accessible externally
• Identify which IP and port a container is externally accessible on
• Describe the different types and use cases for the built-in network drivers
• Understand the Container Network Model and how it interfaces with the Docker engine and network and IPAM drivers
• Configure Docker to use external DNS
• Use Docker to load balance HTTP/HTTPs traffic to an application (Configure L7 load balancing with Docker EE)
• Understand and describe the types of traffic that flow between the Docker engine, registry, and UCP controllers
• Deploy a service on a Docker overlay network
• Describe the difference between “host” and “ingress” port publishing mode (Host, Ingress)

Domain 5: Security: 15%

• Describe the process of signing an image
• Demonstrate that an image passes a security scan
• Enable Docker Content Trust
• Configure RBAC in UCP
• Integrate UCP with LDAP/AD
• Demonstrate creation of UCP client bundles

Domain 6: Storage and Volumes: 10%

• State which graph driver should be used on which OS
• Demonstrate how to configure devicemapper
• Compare object storage to block storage, and explain which one is preferable when available
• Summarize how an application is composed of layers and where those layers reside on the filesystem
• Describe how volumes are used with Docker for persistent storage
• Identify the steps you would take to clean up unused images on a filesystem, also on DTR
• Demonstrate how storage can be used across cluster nodes
• Identity roles
• Describe the difference between UCP workers and managers
• Describe process to use external certificates with UCP and DTR (UCP from cli, from GUI, print the public certificates), DTR)

How to schedule the exam?

Since you have already scrolled down here. The next important step post knowing about the examination is to register for it. Let’s learn the simple ways to get you registered:

• Firstly, go to the official website of the Docker Certified Associate examination.
• Click on Schedule now
• Furthermore, create an account and follow the prompt.
• Last but not the least, complete the registeration by making the payment.

Preparation resources for Docker Certified Associate

Adhering to this preparation guide will assist you in comprehending and mastering the objectives of each exam. We offer top-notch learning resources to help you succeed in the exam. Furthermore, we will provide a detailed description to guide you in your exam preparation. Let’s get started:

Online Tutorials

Online Tutorials enriches your understanding and deepens your knowledge of exam concepts. These lessons provide extensive exam-related material, along with new advice and strategies to enhance your performance. Learning through online tutorials strengthens your preparation, better equipping you for the test.

Exam Tips:

Here are some tips to help prepare for the Docker Certified Associate (DCA) exam:

• Familiarize yourself with the exam objectives: The Docker Certified Associate exam covers a wide range of topics related to Docker and containerization. Make sure you understand the exam objectives and the specific skills that will be tested.
• Gain hands-on experience with Docker: The best way to prepare for the DCA exam is to gain hands-on experience with Docker and its various components. Experiment with creating and managing containers, images, networks, and volumes, and become familiar with the Docker command line.
• Use online resources: Numerous online resources, such as courses, tutorials, and practice exams, are accessible to aid in DCA exam preparation. Make use of these resources to strengthen your grasp of Docker and become acquainted with the exam’s format and style.
• Read the official Docker documentation: The official Docker documentation is a wealth of information and is essential for anyone preparing for the DCA exam. Make sure you have a solid understanding of the Docker platform, including its architecture, components, and features.
• Join the Docker community: Joining the Docker community can be a great way to connect with other Docker users and to stay up-to-date on the latest Docker developments. Furthermore, participating in online forums, attending meetups, and following Docker experts on social media can be a great way to learn more about Docker and to network with others in the Docker community.
• Practice, practice, practice: Practice is essential, and it holds true for the DCA exam as well. Utilize practice exams and hands-on exercises to solidify your understanding of Docker and build confidence in your abilities.

Expert Corner

Examining the exam objectives is vital as you begin your preparation journey. This step offers you a thorough comprehension of the various subjects and skills you need to acquire. Additionally, the exam objectives play a key role in enhancing your understanding of the modules and their respective subtopics.

Also, there are many books available, and you should join the community to meet others who share your interests. As well, you have the option of choosing the Docker training courses. On every exam, Docker provides training sessions. The training programs for a certain test comprise all of the exam’s details, including its description, intended audience, manner of delivery, duration, etc.

Here, you can get free sample papers to help you excel in the examination. Moreover, these free practice exam papers will give you a real-time examination feel. Therefore, start preparing now!

The post Docker Certified Associate Exam Format appeared first on Blog.

As with any certification exam, the difficulty level of the DCA exam is subjective and can vary based on various factors. This blog will give you a detailed look at the DCA exam, covering its format, content, and how challenging it is. We’ll also share tips and strategies to assist you in preparing for and excelling in the exam. Whether you’re a Docker enthusiast or aiming to advance your career in the tech industry, keep reading to learn more about the Docker Certified Associate Exam.

About Docker Certified Associate Exam 

The Docker Certified Associate (DCA) exam is created to confirm your skills using real-world questions crafted by seasoned Docker practitioners. Positioned as the initial step in a thorough professional certification program, the DCA acts as a fundamental standard for practical Docker abilities within the container industry.

Glossary of Docker Certified Associate Terminology

Here are some important Docker Certified Associate (DCA) terminologies with their definitions:

1. Docker: A platform for developers and sysadmins to build, run, and share containerized applications.
2. Container: A lightweight and portable executable package that contains everything needed to run an application, including the code, libraries, and system tools.
3. Image: A read-only template that contains the instructions for creating a container.
4. Registry: A storage and distribution system for Docker images.
5. Dockerfile: A text file that contains the instructions for building a Docker image.
6. Compose: It’s a tool used to define and operate Docker applications with multiple containers.
7. Swarm: A Docker-native clustering and orchestration system for managing Docker hosts and containers.
8. Service: A logical grouping of one or more container replicas that perform the same task.
9. Node: A physical or virtual machine that is part of a Docker swarm.
10. Overlay network: A virtual network that connects containers across multiple Docker hosts.
11. Volume: A persistent data storage mechanism for containers.
12. Docker Hub: A public repository for Docker images that can be used to store, share, and collaborate on Docker images.
13. Kubernetes: An open-source container orchestration system for automating deployment, scaling, and management of containerized applications.

Exam preparation resources for the Docker Certified Associate exam

Here are some official exam preparation resources for the Docker Certified Associate exam, along with links:

• Official Docker Certified Associate Exam Guide: This guide provides a comprehensive overview of the exam, including the topics covered and the exam format. It also includes links to other resources that can help you prepare for the exam. You can find the guide at https://www.docker.com/sites/default/files/dca_exam_guide.pdf.
• Docker Certified Associate Exam Study Guide: This guide provides detailed information on the topics covered in the exam, including Docker architecture, image creation and management, Docker networking, and Docker security. It also includes practice questions and exercises to help you prepare for the exam. You can find the guide at https://www.docker.com/sites/default/files/dca_study_guide_v1.1.pdf.
• Docker Certified Associate Exam Sample Questions: These sample questions provide an idea of the types of questions you can expect on the exam. You can find the sample questions at https://success.docker.com/certification/sample-questions.
• Docker Certified Associate Exam Preparation Course: This course is designed to help you prepare for the Docker Certified Associate exam. It covers all the topics included in the exam and includes hands-on labs and quizzes to test your knowledge. You can find the course at https://training.docker.com/certification.
• Docker Certified Associate Practice Exam: This practice exam is designed to simulate the actual exam experience. It includes 50 multiple-choice questions and provides detailed explanations for each answer. You can find the practice exam at https://training.docker.com/certification/practice-exam.

Note that some of the resources listed above may require you to create an account on the Docker website before you can access them.

Skills Acquired

This certification has to offer you –

• Firstly, Recognition for your Docker skills with an official Docker credential
• Secondly, the Digital certificate and use of the Docker Certified Associate logo
• Thirdly, Online verification of Docker Certified status by potential employers
• Lastly, Exclusive access to the Docker Certified professional network on LinkedIn and invites to the certified-only event

Let us now look at the prerequisites for the exam and some of the basic details.

Docker Certified Associate Exam Prerequisites

The knowledge and skills required at this level should include all of the following objective components:

• Firstly, 6-months experience with Docker
• Secondly, Exposure to Docker Enterprise Edition
• Thirdly, Experience with container security
• Fourthly, Experience with at least 1 cloud provider
• Also, Understanding of Docker Best Practices
• Furthermore, Experience with configuration management tools
• Lastly, Experience with Linux and/or Windows Server

Docker Certified Associate Exam details

Starting with the Docker Certified Exam questions, it comprises 55 multiple questions. To complete these 55 questions candidates are provided with only 90 minutes. In addition, this exam is only available in the English language. Not to mention, the fee for the DCA exam is 195 USD without taxes. More important information is given in brief in the below-mentioned table –

Let us now look at exam content details so that we could access how difficult the exam is!

Docker Certified Associate Exam Course Outline

The Docker Certified Associate exam objectives include:

Domain 1: Orchestration (25% of exam)

• Complete the setup of a swarm mode cluster, with managers and worker nodes.
• Furthermore, Describe and demonstrate how to extend the instructions to run individual containers into running services under the swarm.
• Describe the importance of quorum in a swarm cluster.
• Also, Describe the difference between running a container and running a service.
• Interpret the output of “docker inspects” commands.
• Convert an application deployment into a stack file using a YAML compose file with “docker stack deploy”
• Manipulate a running stack of services.
• In addition to, Describe and demonstrate orchestration activities.
• Increase the number of replicas.
• Add networks, publish ports.
• Mount volumes.
• Describe and demonstrate how to run replicated and global services.
• Apply node labels to demonstrate the placement of tasks.
• Also, Describe and demonstrate how to use templates with “docker service create”.
• Identify the steps needed to troubleshoot a service not deploying.
• Describe how a Dockerized application communicates with legacy systems.
• Also, Describe how to deploy containerized workloads as Kubernetes pods and deployments.
• Describe how to provide configuration to Kubernetes pods using config maps and secrets. 

Domain 2: Image Creation, Management, and Registry (20% of exam)

• Firstly, Describe the use of Dockerfile.
• Describe options, such as add, copy, volumes, expose, entry point.
• Also, Identify and display the main parts of a Dockerfile.
• Describe and demonstrate how to create an efficient image via a Dockerfile.
• Furthermore, Describe and demonstrate how to use CLI commands to manage images, such as list, delete, prune, rmi.
• Describe and demonstrate how to inspect images and report specific attributes using filter and format
• Subsequently, Describe and demonstrate how to tag an image.
• Describe and demonstrate how to apply a file to create a Docker image.
• Subsequently, Describe and demonstrate how to display layers of a Docker image
• Describe and demonstrate how to modify an image to a single layer.
• Also, Describe and demonstrate registry functions.
• Deploy a registry.
• Furthermore, Log into a registry.
• Utilize search in a registry.
• Push an image to a registry.
• Also, Sign an image in a registry.
• Pull and delete images from a registry.

Domain 3: Installation and Configuration (15% of exam)

• Describe sizing requirements for installation.
• Moreover, Describe and demonstrate the setup of the repo, selection of a storage driver, and installation of the Docker engine on multiple platforms.
• Also, Describe and demonstrate the configuration of logging drivers (Splunk, journals, etc.).
• Describe and demonstrate how to set up a swarm, configure managers, add nodes, and set up the backup schedule.
• Also, Describe and demonstrate how to create and manage user and teams.
• Describe and demonstrate how to configure the Docker daemon to start on boot.
• Furthermore, Describe and demonstrate how to use certificate-based client-server authentication to ensure a Docker daemon has the rights to access images on a registry.
• Describe the use of namespaces, groups, and certificate configuration.
• In addition, Describe and interpret errors to troubleshoot installation issues without assistance.
• Describe and demonstrate the steps to deploy the Docker engine, UCP, and DTR on AWS and on-premises in an HA configuration.
• Lastly, Describe and demonstrate how to configure backups for UCP and DTR.

Domain 4: Networking (15% of exam)

• Describe the Container Network Model and how it interfaces with the Docker engine and network and IPAM drivers.
• Subsequently, Describe the different types and use cases for the built-in network drivers.
• Describe the types of traffic that flow between the Docker engine, registry and UCP controllers.
• Furthermore, Describe and demonstrate how to create a Docker bridge network for developers to use for their containers.
• Describe and demonstrate how to publish a port so that an application is accessible externally.
• Identify which IP and port a container are externally accessible on.
• Subsequently, Compare and contrast “host” and “ingress” publishing modes.
• Describe and demonstrate how to configure Docker to use external DNS.
• Furthermore, Describe and demonstrate how to use Docker to load balance HTTP/HTTPs traffic to an application (Configure L7 load balancing with Docker EE).
• Understand and describe the types of traffic that flow between the Docker engine, registry, and UCP controllers
• Describe and demonstrate how to deploy a service on a Docker overlay network.
• Subsequently, Describe and demonstrate how to troubleshoot container and engine logs to resolve connectivity issues between containers.
• Describe how to route traffic to Kubernetes pods using ClusterIP and NodePort services.
• Lastly, Describe the Kubernetes’ container network model.

Prepare for the Docker Certified Associate exam using the Study Guide!

Domain 5: Security (15% of exam)

• Describe security administration and tasks.
• Also, Describe the process of signing an image.
• Describe default engine security.
• Also, Describe swarm default security.
• Describe MTLS.
• Furthermore, Describe identity roles.
• Compare and contrast UCP workers and managers.
• Describe the process to use external certificates with UCP and DTR.
• Also, Describe and demonstrate that an image passes a security scan.
• Describe and demonstrate how to enable Docker Content Trust.
• Subsequently, Describe and demonstrate how to configure RBAC with UCP.
• Describe and demonstrate how to integrate UCP with LDAP/AD.
• Lastly, Describe and demonstrate how to create UCP client bundles. 

Domain 6: Storage and Volumes (10% of exam)

• Identify the correct graph drivers to uses with various operating systems.
• Furthermore, Describe and demonstrate how to configure device mapper.
• Compare and contrast object and block storage and when they should be used.
• Describe how an application is composed of layers and where these layers reside on the filesystem.
• Also, Describe the use of volumes is used with Docker for persistent storage.
• Identify the steps to take to clean up unused images on a filesystem and DTR.
• Describe and demonstrate how storage can be used across cluster nodes.
• Also, Describe how to provision persistent storage to a Kubernetes pod using persistent volumes.
• Describe the relationship between container storage interface drivers, storage class,
• Persistent volume claim and volume objects in Kubernetes.

You can also visit the online tutorials on Docker Certified Associate Exam by testpreptraining.ai to know more about the exam details such as important policies and FAQs.

How difficult is Docker Certified Associate Exam?

Well, the difficulty level of the exam is an issue which cannot be agreed upon easily. However, everything in the world comes with an opportunity cost. You have to let go of all the leisure activities at least for once in order to clear the exam. The reason for which the exam is considered difficult is because the exam has a lot of prerequisites and technicalities. You need to be well versed with all the prerequisites and the content of the exam because there is high probability that experience based question is asked.

Another reason for which the exam may be considered difficult is because there are limited resources available for preparation. So, you are in a situation where you have to utilize the resources available in a way that you are able to learn maximum out of them. Let us now look at some resources that can help you ace the exam.

How to prepare for Docker Certified Associate Exam?

There are countless resources available for exam preparation. However, it’s crucial to choose the Docker Certified Associate exam preparation guide and resources wisely, as they play a vital role in your exam success. Merely memorizing won’t be sufficient; you also need to reinforce your understanding of key concepts to pass the exam and secure your desired job. Let’s explore some of the resources that can aid in your preparation.

Docker Official Website 

Visiting the Docker official website is an imperative step while preparing for the exam like Docker Certified Associate. Moreover, The official site offers a lot of reliable information and sources like the Docker Certified Associate (DCA) exam guide which is very helpful in preparing for the exam. The resources such as study guide, sample papers, whitepapers, documentation, FAQs, etc. The candidate can find all such important things on the official page.

Docker Training 

The candidate can also opt for the Docker training programs. The training programs for a particular exam contain all information of the exam such as Docker Certified Associate exam syllabus, description, intended audience, delivery method, duration, etc. The Docker offers training programs on every exam. The candidate should join a training program to gain knowledge and skills for Docker Certified Associate. 

Practice Test 

Practice tests play a crucial role in confirming a candidate’s preparation. The Docker Certified Associate practice exam test assists candidates in identifying their weak areas, allowing them to focus on improvement. With numerous practice tests available online, candidates have the flexibility to choose the ones that suit them. You can even explore a free practice test to get started.

Join a Study Group 

Feel free to ask questions and clarify doubts on online forums where individuals who have passed the same or similar exams share their experiences. Learning from someone with experience provides unique insights. Joining study groups is beneficial for boosting your confidence and developing self-assurance. Studying in a group fosters a competitive spirit that can enhance your overall performance.

Boost your skills by cracking the Docker Certified Associate Exam. Try a free Docker Certified Associate (DCA) practice tests now!

The post How hard is Docker Certified Associate Exam? appeared first on Blog.

But don’t worry as you are in luck today! We have launched for you the  Docker Certified Associate Online Course.  Created by experts in the field, this course is your guide to excel in your exam. It’s the best path to acing the test with flying colors. Before delving into the content of the online course, let’s first explore what it entails to get ready for the exam.

Docker Certified Associate Exam Details

Docker stands out as a container platform for businesses, letting them effortlessly create, share, and run applications anywhere. Docker skills are in high demand, and the Docker Certified Associate (DCA) exam is crafted to validate that expertise with practical questions developed by seasoned Docker professionals. This exam evaluates skills and knowledge based on an understanding of the tasks performed by existing Docker users.

Responsibilities as a Docker Certified Associate

The exam focuses on the crucial tasks carried out by a Docker Certified Associate. The skills and knowledge verified by this exam reflect a proficiency level where a certified Docker Associate can:

• To begin with, Run containerized applications from pre-existing images collected in a centralized registry.
• Then, Deploy images across the cluster.
• Also, Triage and resolve issue reports from stakeholders and resolve.
• Further, Standup up on Enterprise clusters with one UCP manager, one DTR replica, and one worker node.
• Moreover, Migrate traditional applications to containers.
• Eventually, Configure and troubleshoot Docker engine.
• Finally, Perform general maintenance and configuration.

Docker Certified Associate Exam Format

Understanding the exam format before sitting for the exam is indeed a wise decision. It helps you align your preparations with the exam requirements. Let’s have a quick glance at the exam details.

The Docker Certified Associate exam questions, it has 13 multiple choice and 42 discrete option multiple-choice (DOMC) questions which the candidate has to complete in 90 minutes. Given the timelimit, you really need to maintain a high speed. The exam is available in the English language. Also, the fee for the Docker Certified Associate exam is USD $195 or Euro €175. Further, the result will be delivered immediately. 

Exam Prerequisites

Those aiming for this certification should possess a minimum of six months to one year of hands-on experience with Docker, including familiarity with the Docker Enterprise Edition. The necessary attributes at this level encompass knowledge, skills, and practical experience, which should include:

• To begin with, container security
• Then, experience with at least one cloud provider
• Also, configuration management tools
• Further, Linux and/or Windows Server

Now that we have all the exam details in hand lets move further and learn about the Online Course.

Online Course for Docker Certified Associate Exam

Securing certifications not only boosts your earning potential above the market average but also opens doors to new opportunities and responsibilities. However, getting ready for them can be challenging. Therefore to make it easy for you we have the Docker Certified Associate Online Course.

This video course will teach you how to set up Docker in AWS and Linux environment systems and help you to prepare you for the DCA certification exam.

• The course begins with an introduction to Docker Swarm orchestration, guiding you as you install Docker on your machines.
• Next, you’ll use Dockerfile to create images, manage them with command-line interface (CLI) commands, and configure and set up a registry to pull and save images. As you progress, you’ll delve into Docker containers, volume, images, and image registry.
• Toward the end, you’ll work with Docker networking and Swarm AWS EC2 instances and get an introduction to Docker Enterprise and Kubernetes.

By the end of this course, you’ll have developed a clear understanding of how to set up Docker containers in AWS and Linux environments and covered the six important domains needed to pass the DCA certification exam.

Online Course Key Features

The Online Course comes with the following features:

• Firstly, 85 Learning videos with for all Course Objectives (100% Course Covered)
• Secondly, Scenarios based Lab-Exercises
• Thirdly, Latest Updated content
• Moreover, Available online
• Also, Unlimited Lifetime access

Why choose this Online course?

The Online Courses offer flexibility, ease of learning, and opportunity to prepare on your own pace. Moreover, online courses have become the first choice when it comes to preparing for an exam. The Docker Certified Associate (DCA)  will help you unlock your real potential. Here are some added benefits of taking this course:

• To begin with, you get complete course coverage. With the latest updated content, this course helps you to be well-versed with the required skills and knowledge. You always get access to newly added training videos.
• Further, you get access to the world of Online Learning videos. They provide practical demonstrations that gives easier and effective learning opportunities.
• Next, online courses offer scheduling flexibility. You learn whenever you want as this course is available 24×7
• Moreover, this online course does not expire. That mans it comes with lifelong validity and unlimited access. All the new changes in the exam objectives are updated from time to time.
• Also, with the ability to study anywhere you get the comfort of preparing for the exam from your home. No worries about travel or schedule. Online Learning helps in advancing education
• Additionally, this online course will hone you skills and broaden your horizon. Given the high competition, employers demand high skilled professionals. Then the skills learned in this course will definitely provide you with an edge over other candidates.

Therefore, preparing with this online course is the right choice to ace the exam. Now that we understand the importance of this online course lets have a look at what this course covers with the course curriculum.

Docker Certified Associate Online Course Curriculum

This online course provides in-depth information about the exam domains. Additionally, it aids candidates in exam preparation by pinpointing particular content within each topic that might be tested. Here is the Docker Certified Associate course outline:

Introduction

• Introduction to the Course
• Domains Required to Pass the Docker Certified Associate (DCA) Exam
• Docker Container Workflow
• Container Image Registry Overview

Installation and Basic Setup

• Prepare the Amazon Elastic Compute Cloud (Amazon EC2) Instance
• Amazon Elastic Compute Cloud (Amazon EC2) Docker Installation
• Amazon Elastic Compute Cloud (Amazon EC2) Cleanup

Docker Images

• Docker Image Maintenance
• Container Image Save Load Import
• Docker file and Docker Image Prune

Docker Containers

• Start and Create a Docker Container
• Attaching/Detaching Docker Container and Using Exec
• Different States of a Docker Container
• Commit Changes to a Docker Container
• Exporting Docker Containers
• Copying Docker Containers and Using Diff
• Also, Docker Container Log Top Stats
• Further, Docker Container Resource Utilization

Use the Docker Certified Associate Exam Guide for better preparation!

Docker Volume

• Firstly, Docker Volume Management
• Secondly, Docker Volume Mounting
• Thirdly, Docker Volume Options and Cleanup

Docker Image Deep Dive

• Moreover, Image Layers Introduction
• Then, Image Build Using FROM
• Additionally, Image Build Using FROM Base Image
• Further, Image Build Using LABEL
• Subsequently, Image Build Using CMD, WORKDIR, and COPY
• Likewise, Image Build Using RUN, ADD, ENTRYPOINT, and EXPOSE
• In addition to, Image Build Using ARG and ENV
• Futhermore, Image Build Using VOLUME

Image Registry

• Firstly, Image Registry Using Play with Docker
• Secondly, Image Registry Using Amazon Elastic Compute Cloud (Amazon EC2)
• Thirdly, Image Registry Using Docker Hub

Docker Networking

• Docker Networking Overview
• Create Custom Network Namespace
• Also, Custom Network Configuration File
• Moreover, Custom Network Custom Subnet
• Likewise, Custom Network – Working with Multiple Networks
• Remove Network
• Host Networking
• Then, Null Networking
• Discovery and Load Balance

Docker Swarm

• Additionally, Docker Swarm – Introduction
• Then, Docker Swarm in Amazon Elastic Compute Cloud (Amazon EC2)
• Further, Docker Swarm Amazon Machine Images (AMI) Setup
• Furthermore, Docker Swarm Init Cluster
• Likewise, Docker Swarm – Service Task Stack Introduction
• Docker Swarm Service and Task in Detail
• Swarm Service Scaling and Removing
• Moreover, Docker Swarm Service Update and Rollback
• In addition to, Docker Swarm Locking
• Also, Docker Swarm Drain
• Then, Docker Swarm Stack Deploy
• Docker Swarm Global Service
• Play with Docker Setup
• Docker Swarm Add Worker
• Swarm Node Label Introduction
• Also, Docker Swarm Label Service
• Besides the, Docker Swarm Global Service Label
• Additionally, Docker Swarm Placement Preference
• Docker Swarm Constraint and Placement Preference
• Then, Docker Swarm Promote Demote

Docker Enterprise

• Also, Docker Enterprise installation preparation
• Prepare Amazon Machine Image (AMI) for Docker Enterprise
• Install Universal Control Plane (UCP)
• Node – Subject Alternative Name (SAN) Update
• Moreover, Docker Enterprise – Add nodes
• Docker Trusted Registry (DTR) Installation

Kubernetes

• Orchestration Overview
• Kubernetes Component Introduction
• YAML Introduction
• Kubernetes Cluster Installation Analogy
• Kubernetes Cluster Types of Installation
• Minikube Window Installation
• Minikube CentOS Installation
• Pod – Getting Started
• POD File Copy and Working with Ports
• ReplicaSet Introduction
• Deployments Introduction
• Service Introduction
• Label Selector Introduction
• Volume Introduction
• ConfigMap Introduction
• Secrets Introduction
• Namespace Introduction

Learning Resources for Docker Certified Associate Exam

Choosing the right learning resources goes without saying as your resources determine your preparation level. However, there are numerous resources to choose from. Therefore, you have to make a wise decision to select only authentic learning resources from genuine sources. Here we highlight some of these resources to strengthen your preparations.

Docker Training 

You can also opt for the Docker training programs. Docker offers its own training programs on every exam. Also, these training programs help you gain knowledge and skills for Docker Certified Associate. They enrich your learning and assist your preparations. Further, trainings offered by Docker for the Docker Certified Associate exam includes:

• Firstly, Docker Fundamentals
• Secondly, Docker for Enterprise Developers
• Thirdly, Docker Security Course

Grab Reference Books

Books: your old school friend, remember! Books are an easy source to acquire knowledge. So make sure you read a few and develop a great understanding of the Docker concept. You can easily read books on Docker too. But other related books will always provide an extra edge to you. Here are a few books that you can go though-

• Firstly, Docker Deep Dive book by Nigel Poulton.
• Secondly, The Docker Book: Containerization is the new virtualization by James Turnbull.

Online Tutorials and Study Guides

The best way to enhance your knowledge is by referring to Docker Certified Associate Exam Online Tutorials. These Tutorials provide a depth understanding of the exam and its concepts. Additionally, it also covers exam details and policies. Moreover, this online tutorial will help you stay consistent and determined.

Attempt Practice Tests

Here we are, entering the final phase of exam preparation. This crucial step offers candidates precise insights into areas that may need more attention. Ready for some self-evaluation? Practice, Practice, and Practice. Adequate practice is key for this exam. Engaging in Docker Certified Associate practice exams is essential to build the endurance needed for the actual test. These practice sessions not only familiarize you with the exam’s nuances but also validate your knowledge level or highlight areas where you need to enhance your study efforts. Start using Docker Certified Associate (DCA) Practice Tests Now!

Boost your skills and advance your career with the Docker Certified Associate exam. Start your preparations now!

The post Docker Certified Associate Online Course Launched appeared first on Blog.

This certification helps you  gain recognition for your enterprise container skills. Before diving into the cheat sheet lets first have a look at the exam details.

Docker Certified Associate Exam Details

Docker is a container platform suitable for enterprises, allowing them to effortlessly create, distribute, and operate applications across various environments. Docker’s capabilities are in high demand, and the Docker Certified Associate (DCA) exam is crafted to validate these competencies through real-world questions formulated by seasoned Docker professionals. Moreover, this exam evaluates the skills and knowledge acquired through an understanding of the responsibilities typically undertaken by existing Docker users.

Responsibilities of Docker Certified Associate

This exam is based upon critical job activities a Docker Certified Associate performs. The skills and knowledge certified by this exam represent a level of expertise where a certified Docker Associate can:

• To begin with, Run containerized applications from pre-existing images collected in a centralized registry.
• Then, Deploy images across the cluster.
• Also, Triage and resolve issue reports from stakeholders and resolve.
• Further, Standup up on Enterprise clusters with one UCP manager, one DTR replica, and one worker node.
• Moreover, Migrate traditional applications to containers.
• Eventually, Configure and troubleshoot Docker engine.
• Finally, Perform general maintenance and configuration.

Skills Required

The skills required for Docker Certified Associate certification exam include:

• Firstly, 6-months experience with Docker
• Secondly, Exposure to Docker Enterprise Edition
• Also, Experience with container security
• Further, Experience with at least 1 cloud provider
• Moreover, Understanding of Docker Best Practices
• Additionally, Experience with configuration management tools
• Finally, Experience with Linux and/or Windows Server

Quick Cheat Sheet for Docker Certified Associate

If you are revising for any exam, it is essential to get the basic details and right resources at the same time and place. This Cheat Sheet will provide you with the right strategy to ace the exam, Without further adieu lets discuss!

Docker Certified Associate Course Outline

First things first, you should deeply analyze the exam objectives as they are the most important part of your revisions. So, make sure you visit the Official website of the exam to have a clear view. Since it is the most authentic site to provide any information regarding the exam. After you’ve gone through the basic exam details. It’s time to hit the Course Outline. This Course Outline provides descriptive details about the exam concepts. It helps you tailor your study plan around the exam domains. The Docker Certified Associate exam objectives include:

Domain 1: Orchestration (25%)

• Complete the setup of a swarm mode cluster, with managers and worker nodes (Documentation: Swarm mode cluster, )
• State the differences between running a container vs running a service (Documentation: Container vs running a service)
• Demonstrate steps to lock a swarm cluster (Documentation:  Lock a swarm cluster )
• Extend the instructions to run individual containers into running services under swarm (Documentation:  Run individual containers into running services under swarm )
• Interpret the output of “docker inspect” commands (Documentation: Output of “docker inspect” commands)
• Convert an application deployment into a stack file using a YAML compose file with “docker stack deploy” (Documentation: “Docker stack deploy” )
• Manipulate a running stack of services (Documentation: Manipulate a running stack of services )
• Increase # of replicas (Documentation: Increase number of replicas )
• Add networks, publish ports (Documentation: Add networks, publish ports )
• Mount volumes (Documentation: Mount volumes )
• Illustrate running a replicated vs global service (Documentation: Replicated vs global service )
• Identify the steps needed to troubleshoot a service not deploying (Documentation: Steps needed to troubleshoot a service not deploying )
• Apply node labels to demonstrate placement of tasks (Documentation: Node labels to demonstrate placement of tasks )
• Sketch how a Dockerized application communicates with legacy systems (Documentation:  Dockerized application communicates with legacy systems )
• Paraphrase the importance of quorum in a swarm cluster (Documentation: Importance of quorum in a swarm cluster )
• Demonstrate the usage of templates with “docker service create (Documentation: Usage of templates with “docker service create” )

Domain 2: Image Creation, Management, and Registry (20%)

• Describe Dockerfile options [add, copy, volumes, expose, entrypoint, etc) (Documentation:  Dockerfile options(add, copy, volumes, expose, entrypoint, etc) )
• Show the main parts of a Dockerfile (Documentation:  Main parts of a Dockerfile )
• Give examples on how to create an efficient image via a Dockerfile (Documentation: How to create an efficient image via a Dockerfile )
• Use CLI commands such as list, delete, prune, rmi, etc to manage images (Documentation: Use CLI commands such as list, delete, prune, rmi, etc to manage images )
• Inspect images and report specific attributes using filter and format (Documentation: Inspect images and report specific attributes )
• Demonstrate tagging an image (Documentation:  Tagging an image)
• Utilize a registry to store an image (Documentation: Utilize a registry to store an image )
• Display layers of a Docker image (Documentation: Display layers of a Docker image )
• Apply a file to create a Docker image (Documentation: Apply a file to create a Docker image )
• Modify an image to a single layer (Documentation: Modify an image to a single layer )
• Describe how image layers work (Documentation: How image layers work)
• Deploy a registry (not architect) (Documentation: Deploy a registry)
• Configure a registry (Documentation: Configure a registry )
• Log into a registry (Documentation: Log into a registry )
• Utilize search in a registry (Documentation: Utilize search in a registry )
• Tag an image (Documentation: Tag an image )
• Push an image to a registry (Documentation: Push an image to a registry )
• Sign an image in a registry (Documentation: Sign an image in a registry )
• Pull an image from a registry (Documentation: Pull an image from a registry )
• Describe how image deletion works (Documentation: Image deletion )
• Delete an image from a registry (Documentation: Delete an image from a registry )

Domain 3: Installation and Configuration (15%)

• Demonstrate the ability to upgrade the Docker engine (Documentation:  Upgrade the Docker engine )
• Complete setup of repo, select a storage driver, and complete installation of Docker engine on multiple platforms (Documentation: Complete installation of Docker engine on multiple platforms )
• Configure logging drivers (splunk, journald, etc) (Documentation: Configure logging drivers)
• Setup swarm, configure managers, add nodes, and setup backup schedule (Documentation: Setup swarm, configure managers, add nodes)
• Create and manager user and teams (Documentation: Create and manager user and teams )
• Interpret errors to troubleshoot installation issues without assistance (Documentation: Interpret errors to troubleshoot installation issues)
• Outline the sizing requirements prior to installation (Documentation: Outline the sizing requirements prior to installation )
• Understand namespaces, cgroups, and configuration of certificates (Documentation: Configuration of certificates )
• Use certificate-based client-server authentication to ensure a Docker daemon has the rights to access images on a registry (Documentation: Use certificate-based client-server authentication )
• Consistently repeat steps to deploy Docker engine, UCP, and DTR on AWS and on premises in an HA config (Documentation: )
• Complete configuration of backups for UCP and DTR (Documentation: Configuration of backups for UCP and DTR )
• Configure the Docker daemon to start on boot (Documentation: Docker daemon to start on boot )

Domain 4: Networking (15%)

• Create a Docker bridge network for a developer to use for their containers (Documentation: Docker bridge network for a developer to use for their containers )
• Troubleshoot container and engine logs to understand a connectivity issue between containers (Documentation: Troubleshoot container and engine logs )
• Publish a port so that an application is accessible externally (Documentation: Publish a port  )
• Identify which IP and port a container is externally accessible on (Documentation: IP and port a container is externally accessible on )
• Describe the different types and use cases for the built-in network drivers (Documentation: Use cases for the built-in network drivers)
• Understand the Container Network Model and how it interfaces with the Docker engine and network and IPAM drivers (Documentation: Docker engine and network and IPAM drivers )
• Configure Docker to use external DNS (Documentation: Configure Docker to use external DNS )
• Use Docker to load balance HTTP/HTTPs traffic to an application (Configure L7 load balancing with Docker EE) (Documentation: Use Docker to load balance HTTP/HTTPs traffic to an application  )
• Understand and describe the types of traffic that flow between the Docker engine, registry, and UCP controllers (Documentation: Understand and describe the types of traffic )
• Deploy a service on a Docker overlay network (Documentation: Deploy a service on a Docker overlay network )
• Describe the difference between “host” and “ingress” port publishing mode (Documentation: Host, Ingress )

Domain 5: Security (15%)

• Describe the process of signing an image (Documentation: Signing an image )
• Demonstrate that an image passes a security scan (Documentation: Security scan )
• Enable Docker Content Trust (Documentation: Enable Docker Content Trust )
• Demonstrate creation of UCP client bundles (Documentation: UCP client bundles )
• Configure RBAC in UCP (Documentation: Configure RBAC in UCP)
• Describe MTLS (Documentation: Describe MTLS)
• Integrate UCP with LDAP/AD (Documentation: Integrate UCP with LDAP/AD )
• Describe default engine security (Documentation: Default engine security )
• Describe swarm default security (Documentation: Swarm default security)
• Identity roles (Documentation: Identity roles)
• Describe the difference between UCP workers and managers (Documentation:  UCP workers and managers)
• Describe process to use external certificates with UCP and DTR

Use the ultimate Docker Certified Associate study guide for passing the exam!

Domain 6: Storage and Volumes (10%)

• State which graph driver should be used on which OS (Documentation: State which graph driver should be used on which OS )
• Demonstrate how to configure devicemapper (Documentation: Configure devicemapper )
• Compare object storage to block storage, and explain which one is preferable when available (Documentation: Compare object storage to block storage,  )
• Summarize how an application is composed of layers and where those layers reside on the filesystem (Documentation: Summarize how an application is composed of layers  )
• Describe how volumes are used with Docker for persistent storage (Documentation: Describe how volumes are used with Docker )
• Identify the steps you would take to clean up unused images on a filesystem, also on DTR (Documentation: Steps you would take to clean up unused images on a filesystem, also on DTR )
• Demonstrate how storage can be used across cluster nodes (Documentation: Cluster Nodes )

Quick Links to your learning resources

Choosing the right learning resources goes without saying as your resources determine your preparation level. However, there are numerous resources to choose from. Therefore, you have to make a wise decision to select only authentic learning resources from genuine sources. Here we highlight some of these resources to supplement your revisions.

Docker Training 

You also have the option to enroll in Docker’s training programs. Docker offers training programs for each exam, including the Docker Certified Associate. These training programs enhance your understanding and equip you with the necessary skills for the Docker Certified Associate certification. They enrich your learning experience and support your exam preparations by offering a comprehensive Docker Certified Associate exam guide. The Docker training for the Docker Certified Associate exam includes:

• Firstly, Docker Fundamentals
• Secondly, Docker for Enterprise Developers
• Thirdly, Docker Security Course

Grab Reference Books

Books: your old school friend, remember! Books are an easy source to acquire knowledge. So make sure you read a few and develop a great understanding of the Docker concept. You can easily read books on Docker too. But other related books will always provide an extra edge to you. Here are a few Docker Certified Associate exam books that you can go though-

• Firstly, Docker Deep Dive book by Nigel Poulton.
• Secondly, The Docker Book: Containerization is the new virtualization by James Turnbull.

Online Tutorials and Study Guides

The best way to enhance your knowledge is by referring Docker Certified Associate Exam Online Tutorials. These Tutorials provide an in-depth understanding of the exam and its concepts. Additionally, it also covers exam details and policies. Moreover, the roadmap to your success is only complete when you have the right strategy. Study Guides will be your support throughout your journey towards the exam. These guides will help you stay consistent and determined.

Attempt Practice Tests

Now, we’ve reached the final phase of exam preparation, which offers candidates valuable insights into areas requiring improvement. Are you prepared for self-assessment? It’s all about practice, practice, and more practice.

To excel in this exam, you must dedicate significant time to practice. Therefore, taking Docker Certified Associate practice exams is essential to develop your stamina for the actual exam. Engaging with practice tests will familiarize you with the nuances of the real exam. Furthermore, the results from these practice tests can either validate your existing knowledge or indicate the need for further enhancement in your study approach. Start using Docker Certified Associate (DCA) Practice Tests Now!

Validate your skills and advance your career with the Docker Certified Associate exam. Start your preparations now!

The post Docker Certified Associate Exam Cheat Sheet appeared first on Blog.

However, Docker is a DevOps tool made to create easy deployment as well as the execution of applications. Not only does the use of Docker help in boosting the performance but it also reduces the application’s size. Docker is easily becoming a huge part of other various DevOps toolchains. Therefore, to secure a position, DevOps professionals are applying for the top most DevOps certifications.   

Getting a Docker Certification means passing the Docker Certified Associate (DCA) exam and showing that you’re skilled with Docker. Docker containers have changed how we deliver software. This certification lets you prove your abilities in different aspects of Docker, like installation and setup. To do well, you need to be good at things like orchestration, imaging, networking, and security.

Docker Certified Associate Exam Objectives 

The candidate has to go through the learning objectives for the Docker Certified Associate exam if they are preparing for it. So, here are the learning objectives of the exam:

• Orchestration 25%
• Image Creation, Management, and Registry 20%
• Installation and Configuration 15%
• Networking 15%
• Security 15%
• Storage and Volumes 10%

Learning Path 

Docker Certifications validate technical knowledge with an industry-recognized credential. Our certifications recognize technical skills on the Docker platform. The Docker offers mainly two certifications i.e. Docker Certified Associate and Docker and Containers Commands. 

If in case you still wish to view and each and every exam information, you can visit our tutorial page. Every information regarding the Docker Certified Associate certification exam is available here.

Study Guide Docker Certified Associate Exam

The preparation steps which are essential in order to successfully pass the Docker Certified Associate exam. we’ve processed a study guide that will help you qualify the certification with flying colours. We are providing a detailed study guide which is the right methodical approach for preparation. So, the below illustration showcases the roadmap to success.

Docker Official Website 

Visiting the Docker official website is an imperative step while preparing for the exam like Docker Certified Associate. The official site offers a lot of reliable information and sources which is very helpful in preparing for the exam. The resources such as Docker Certified Associate exam guide, sample papers, whitepapers, documentation, faqs, etc. The candidate can find all such important things on the official page.

Docker Training 

The candidate can also opt for the Docker training programs. The Docker offers training programs on every exam. The training programs for a particular exam contain all information of the exam such as Docker Certified Associate exam syllabus, description, intended audience, delivery method, duration etc. The candidate should join a training program to gain knowledge and skills for Docker Certified Associate. 

• Firstly, Docker Fundamentals
• Secondly, Docker for Enterprise Developers
• Lastly, Docker Security Course

Get more with Books!

The next step in your preparatory guide should also include reading books. Books: your old school friend, remember! You can easily read books on Docker too. But other related books will always provide an extra edge to you. Here are a few books that you can go though-

• Docker Deep Dive book by Nigel Poulton.
• The Docker Book: Containerization is the new virtualization by James Turnbull.

Remember books are an easy source to acquire knowledge. So make sure you read a few and develop a great understanding of the Docker concept.

Join a Study Group 

Being part of a study group can really help candidates. It motivates them to work harder and keeps them connected with others who are on the same path. Plus, discussing things with the group can help students do better in their exams.

Practice Test 

Practice tests are like a confidence boost for candidates. They help you see where you need to improve for the Docker Certified Associate exam. You can find many practice tests online, so you can pick the one that suits you best. Start using Docker Certified Associate (DCA) Practice Tests!

Refer study guide with advanced learning resources. Prepare for the Docker Certified Associate exam and become a certified professional now!

The post Docker Certified Associate Study Guide appeared first on Blog.