{"id":2898,"date":"2019-08-30T09:34:04","date_gmt":"2019-08-30T09:34:04","guid":{"rendered":"https:\/\/www.testpreptraining.com\/tutorial\/?page_id=2898"},"modified":"2020-05-01T10:47:56","modified_gmt":"2020-05-01T10:47:56","slug":"s3","status":"publish","type":"page","link":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-developer-associate\/s3\/","title":{"rendered":"S3"},"content":{"rendered":"\n<ul class=\"wp-block-list\"><li>Amazon Simple Storage Service is called as\nAmazon S3<\/li><li>Provides easy-to-use management features to\norganize data and configure access controls. <\/li><li>It is designed for 99.999999999% (11 9&#8217;s) of\ndurability<\/li><li>It&nbsp; is an\nobject storage service <\/li><li>Provides <ul><li>Scalability<\/li><\/ul><ul><li>data\navailability<\/li><\/ul><ul><li>security<\/li><\/ul><ul><li>performance.\n<\/li><\/ul><\/li><li>Use cases include <ul><li>Websites<\/li><\/ul><ul><li>mobile\napplications<\/li><\/ul><ul><li>backup\nand restore<\/li><\/ul><ul><li>archive<\/li><\/ul><ul><li>enterprise\napplications<\/li><\/ul><ul><li>IoT\ndevices<\/li><\/ul><ul><li>big\ndata analytics. <\/li><\/ul><\/li><\/ul>\n\n\n\n<p><strong>S3 Access control <\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>defines who can access objects and buckets\nwithin S3<\/li><li>the access type (as READ and WRITE). <\/li><li>authentication verifies the identity of a user\nwho is trying to access AWS <\/li><\/ul>\n\n\n\n<p><strong>Amazon S3 Concepts <\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"594\" height=\"214\" src=\"https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2019\/09\/image-212.png\" alt=\"\" class=\"wp-image-3874\"\/><\/figure><\/div>\n\n\n\n<p>Buckets \u2013 <\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>It contains the S3 objects <\/li><li>Every object is contained in a bucket. <\/li><li>URL addressing, as if object named\nphotos\/puppy.jpg stored in johnsmith bucket, then URL is\nhttp:\/\/johnsmith.s3.amazonaws.com\/photos\/puppy.jpg <\/li><li>Buckets helps to <ul><li>organize\nthe S3 namespace at the highest level<\/li><\/ul><ul><li>identify\nthe account responsible for storage and data transfer charges<\/li><\/ul><ul><li>play\na role in access control<\/li><\/ul><ul><li>serve\nas the unit of aggregation for usage reporting. <\/li><\/ul><\/li><li>Buckets can be created in a specific region. <\/li><li>Bucket configuration can be changed if object is\nadded, every time<\/li><li>unique version ID&nbsp; is given to object by S3<\/li><\/ul>\n\n\n\n<p>S3 bucket naming rules <\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Name be unique across all present names in S3<\/li><li>Should follow DNS naming conventions.<\/li><li>Be 3 to 63 characters long.<\/li><li>No use of uppercase letter or underscore<\/li><li>starts with a lowercase letter or number.<\/li><li>Are a series of one or more labels. <ul><li>Adjacent\nlabels separated by period<\/li><\/ul><ul><li>Only\nlowercase letters, numbers, and hyphens allowed for label name . <\/li><\/ul><ul><li>label\nstart and end with lowercase letter or number.<\/li><\/ul><\/li><li>For DNS notation, bucket names be like an IP\naddress \u2013 like 192.168.5.4<\/li><li>When you use virtual hosted\u2013style buckets with\nSecure Sockets Layer (SSL), the SSL wildcard certificate only matches buckets\nthat don&#8217;t contain periods. <\/li><\/ul>\n\n\n\n<p><strong>Objects \u2013  <\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Fundamental entities stored in Amazon S3<\/li><li>Consist of object data and metadata. <\/li><li>Data stored in has no impact due to S3\/storage <\/li><li>Metadata refers to <ul><li>set\nof name-value pairs <\/li><\/ul><ul><li>it\ndescribe the object and <\/li><\/ul><ul><li>it\nhas include <ul><li>the\ndate last modified<\/li><\/ul><ul><li>standard\nHTTP metadata &#8211; Content-Type<\/li><\/ul><\/li><\/ul><\/li><li>custom metadata can be added to object during\nstorage<\/li><li>All objects contained in a S3 bucket has <\/li><li>version ID<\/li><li>name or a key <\/li><\/ul>\n\n\n\n<p><strong>Keys <\/strong>\u2013 <\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>pinpoints uniquely, a object but in the S3\nbucket<\/li><li>all objects in s3 bucket have only one key<\/li><li>Every object in Amazon S3 can be uniquely\naddressed as <ul><li>Combination\nof a bucket, key, and version ID uniquely identify each object<\/li><\/ul><ul><li>web\nservice endpoint, bucket name, key, and optionally, a version. <\/li><\/ul><\/li><li>Example, in the URL\nhttp:\/\/doc.s3.amazonaws.com\/2006-03-01\/AmazonS3.wsdl, &#8220;doc&#8221; is the\nname of the bucket and &#8220;2006-03-01\/AmazonS3.wsdl&#8221; is the key. <\/li><\/ul>\n\n\n\n<p><strong>Regions <\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>You can choose the geographical region where S3\nwill store the buckets you create. <\/li><li>Choose a region to <ul><li>optimize\nlatency<\/li><\/ul><ul><li>minimize\ncosts<\/li><\/ul><ul><li>address\nregulatory requirements<\/li><\/ul><\/li><li>Objects stored in a region always remain in the\nregion but, can be explicitly transferred to another region. <\/li><\/ul>\n\n\n\n<p>Amazon S3 Data Consistency Model \u2013 <\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>S3 provides read-after-write consistency for\nPUTS of new objects in S3 bucket in all regions with one caveat. <\/li><li>The caveat is that if you make a HEAD or GET\nrequest to the key name (to find if the object exists) before creating the\nobject, Amazon S3 provides eventual consistency for read-after-write.<\/li><li>eventual consistency is present in all regions,\nfor <ul><li>overwrite\nPUTS <\/li><\/ul><ul><li>DELETES<\/li><\/ul><\/li><li>Updates to a single key are atomic. Hence, every\ntime PUT to an existing key, does not gives corrupted or partial data.<\/li><li>High data availability is offered by replicating\ndata <\/li><li>Successful PUT indicates safe storage of data<\/li><li>behavior about changes<ul><li>New\nobject written to S3 and is immediately listed within the S3 bucket. But object\nis not listed till addition is fully propagated<\/li><\/ul><ul><li>existing\nobject is replaced and again read, S3 gives prior data till change is fully\npropagated<\/li><\/ul><ul><li>existing\nobject is deleted but S3 gives deleted data till change is fully propagated<\/li><\/ul><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Amazon Simple Storage Service is called as Amazon S3 Provides easy-to-use management features to organize data and configure access controls. It is designed for 99.999999999% (11 9&#8217;s) of durability It&nbsp; is an object storage service Provides Scalability data availability security performance. Use cases include Websites mobile applications backup and restore archive enterprise applications IoT devices&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2476,"menu_order":24,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[7],"class_list":["post-2898","page","type-page","status-publish","hentry","category-amazon-aws","tag-aws"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>S3 - Testprep Training Tutorials<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-developer-associate\/s3\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"S3 - Testprep Training Tutorials\" \/>\n<meta property=\"og:description\" content=\"Amazon Simple Storage Service is called as Amazon S3 Provides easy-to-use management features to organize data and configure access controls. It is designed for 99.999999999% (11 9&#8217;s) of durability It&nbsp; is an object storage service Provides Scalability data availability security performance. Use cases include Websites mobile applications backup and restore archive enterprise applications IoT devices...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-developer-associate\/s3\/\" \/>\n<meta property=\"og:site_name\" content=\"Testprep Training Tutorials\" \/>\n<meta property=\"article:modified_time\" content=\"2020-05-01T10:47:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2019\/09\/image-212.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-developer-associate\/s3\/\",\"url\":\"https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-developer-associate\/s3\/\",\"name\":\"S3 - Testprep Training Tutorials\",\"isPartOf\":{\"@id\":\"https:\/\/www.testpreptraining.ai\/tutorial\/#website\"},\"datePublished\":\"2019-08-30T09:34:04+00:00\",\"dateModified\":\"2020-05-01T10:47:56+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-developer-associate\/s3\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-developer-associate\/s3\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-developer-associate\/s3\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.testpreptraining.ai\/tutorial\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"AWS Certified Developer Associate (DVA-C01)\",\"item\":\"https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-developer-associate\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"S3\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.testpreptraining.ai\/tutorial\/#website\",\"url\":\"https:\/\/www.testpreptraining.ai\/tutorial\/\",\"name\":\"Testprep Training Tutorials\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.testpreptraining.ai\/tutorial\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.testpreptraining.ai\/tutorial\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.testpreptraining.ai\/tutorial\/#organization\",\"name\":\"Testprep Training\",\"url\":\"https:\/\/www.testpreptraining.ai\/tutorial\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.testpreptraining.ai\/tutorial\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.testpreptraining.com\/tutorial\/wp-content\/uploads\/2020\/07\/tpt-logo-6.png\",\"contentUrl\":\"https:\/\/www.testpreptraining.com\/tutorial\/wp-content\/uploads\/2020\/07\/tpt-logo-6.png\",\"width\":583,\"height\":153,\"caption\":\"Testprep Training\"},\"image\":{\"@id\":\"https:\/\/www.testpreptraining.ai\/tutorial\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"S3 - Testprep Training Tutorials","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-developer-associate\/s3\/","og_locale":"en_US","og_type":"article","og_title":"S3 - Testprep Training Tutorials","og_description":"Amazon Simple Storage Service is called as Amazon S3 Provides easy-to-use management features to organize data and configure access controls. It is designed for 99.999999999% (11 9&#8217;s) of durability It&nbsp; is an object storage service Provides Scalability data availability security performance. Use cases include Websites mobile applications backup and restore archive enterprise applications IoT devices...","og_url":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-developer-associate\/s3\/","og_site_name":"Testprep Training Tutorials","article_modified_time":"2020-05-01T10:47:56+00:00","og_image":[{"url":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2019\/09\/image-212.png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-developer-associate\/s3\/","url":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-developer-associate\/s3\/","name":"S3 - Testprep Training Tutorials","isPartOf":{"@id":"https:\/\/www.testpreptraining.ai\/tutorial\/#website"},"datePublished":"2019-08-30T09:34:04+00:00","dateModified":"2020-05-01T10:47:56+00:00","breadcrumb":{"@id":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-developer-associate\/s3\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-developer-associate\/s3\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-developer-associate\/s3\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.testpreptraining.ai\/tutorial\/"},{"@type":"ListItem","position":2,"name":"AWS Certified Developer Associate (DVA-C01)","item":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-certified-developer-associate\/"},{"@type":"ListItem","position":3,"name":"S3"}]},{"@type":"WebSite","@id":"https:\/\/www.testpreptraining.ai\/tutorial\/#website","url":"https:\/\/www.testpreptraining.ai\/tutorial\/","name":"Testprep Training Tutorials","description":"","publisher":{"@id":"https:\/\/www.testpreptraining.ai\/tutorial\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.testpreptraining.ai\/tutorial\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.testpreptraining.ai\/tutorial\/#organization","name":"Testprep Training","url":"https:\/\/www.testpreptraining.ai\/tutorial\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.testpreptraining.ai\/tutorial\/#\/schema\/logo\/image\/","url":"https:\/\/www.testpreptraining.com\/tutorial\/wp-content\/uploads\/2020\/07\/tpt-logo-6.png","contentUrl":"https:\/\/www.testpreptraining.com\/tutorial\/wp-content\/uploads\/2020\/07\/tpt-logo-6.png","width":583,"height":153,"caption":"Testprep Training"},"image":{"@id":"https:\/\/www.testpreptraining.ai\/tutorial\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/pages\/2898","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/comments?post=2898"}],"version-history":[{"count":4,"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/pages\/2898\/revisions"}],"predecessor-version":[{"id":5101,"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/pages\/2898\/revisions\/5101"}],"up":[{"embeddable":true,"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/pages\/2476"}],"wp:attachment":[{"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/media?parent=2898"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/categories?post=2898"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/tags?post=2898"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}