Network Design and Administration Practice Exam
Network Design and Administration Practice Exam
About Network Design and Administration Exam
The Network Design and Administration Practice Exam is designed to assess your ability to plan, deploy, secure, and maintain complex network infrastructures in enterprise environments. This certification measures your understanding of network architectures, LAN/WAN design, security controls, wireless and cloud integration, automation, and ongoing administration. Whether you are a network engineer, systems architect, or IT operations specialist, this exam will help you demonstrate your end-to-end networking expertise.
Who should take the Exam?
- Network and infrastructure engineers
- Systems and cloud architects
- IT operations and NOC teams
- Network security professionals
- Students and graduates in computer networking
Skills Required
- Solid grasp of OSI/TCP-IP models
- Proficiency with CLI-based device configuration
- Ability to perform IP addressing and subnet design
Knowledge Gained
- Designing scalable LAN, WAN, and data center topologies
- Implementing routing protocols and high-availability features
- Securing networks with firewalls, ACLs, and segmentation
- Deploying and managing wireless and cloud-based networks
- Automating configuration and monitoring tasks
- Troubleshooting performance issues and outages
- Planning for capacity, redundancy, and disaster recovery
- Applying best practices for documentation and change control
Course Outline
Domain 1 – Network Architecture and Topologies
- Enterprise network models (core, distribution, access)
- Mesh, spine-leaf, hub-and-spoke, and hybrid designs
- Addressing schemes, CIDR planning, and IPv6 transition
- Capacity planning and scalability considerations
Domain 2 – LAN Design and Switching
- VLAN segmentation, 802.1Q trunking, and STP variants
- Link aggregation (EtherChannel) and redundancy protocols
- Quality of Service (QoS) at Layer-2
- Multicast design (IGMP, PIM)
Domain 3 – WAN and SD-WAN
- MPLS, DMVPN, and VPLS fundamentals
- Broadband, LTE/5G, and dedicated link considerations
- SD-WAN architectures and deployment models
- WAN optimization and traffic engineering
Domain 4 – Wireless and Mobility
- WLAN architectures (controller-based vs controllerless)
- RF site surveys, channel planning, and power settings
- Secure SSID configuration (WPA2/WPA3, 802.1X NAC)
- Roaming, load balancing, and guest access
Domain 5 – Security Architecture
- Perimeter and internal firewall design
- Network segmentation with ACLs and VRFs
- VPN solutions: IPsec, SSL, and remote-access clients
- Intrusion detection/prevention and network hardening
Domain 6 – Data Center & Cloud Networking
- Leaf-spine switching and overlay networks (VXLAN)
- Virtualization integration (NSX, ACI)
- Hybrid cloud connectivity (Direct Connect, ExpressRoute)
- High-availability clustering and microsegmentation
Domain 7 – Automation & Administration
- Scripting with Python, Ansible, or REST APIs
- Infrastructure as Code (IaC) concepts
- Configuration backup, rollback, and version control
- Role-based administration and change management
Domain 8 – Monitoring, Troubleshooting & Optimization
- SNMP, NetFlow/sFlow, and telemetry
- Packet capture and analysis (Wireshark, CLI tools)
- Performance tuning and capacity forecasting
- Incident response workflows and root-cause analysis
