{"id":231,"date":"2021-01-08T11:44:45","date_gmt":"2021-01-08T11:44:45","guid":{"rendered":"https:\/\/exampracticetests.com\/aws\/DevOps_Engineer_Professional_DOP-C01\/aws-devops-engineer-professional-dop-c01-question224\/"},"modified":"2021-01-08T11:44:45","modified_gmt":"2021-01-08T11:44:45","slug":"aws-devops-engineer-professional-dop-c01-question224","status":"publish","type":"post","link":"https:\/\/exampracticetests.com\/aws\/DevOps_Engineer_Professional_DOP-C01\/aws-devops-engineer-professional-dop-c01-question224\/","title":{"rendered":"AWS DevOps Engineer Professional DOP-C01 &#8211; Question224"},"content":{"rendered":"<div class=\"question\">A developer has written an application that writes data to Amazon DynamoDB. The DynamoDB table has been configured to use conditional writes. During peak usage times, writes are failing due to a ConditionalCheckFailedException error.<br \/>\nHow can the developer increase the application\u2019s reliability when multiple clients are attempting to write to the same record? <br \/><strong><br \/>A.<\/strong> Write the data to an Amazon SNS topic. <br \/><strong>B.<\/strong> Increase the amount of write capacity for the table to anticipate short-term spikes or bursts in write operations. <br \/><strong>C.<\/strong> Implement a caching solution, such as DynamoDB Accelerator or Amazon ElastiCache. <br \/><strong>D.<\/strong> Implement error retries and exponential backoff with jitter.<\/div>\n<p><\/p>\n<style> .hidden-div{ display:none } <\/style>\n<p>\t\t\t\t\t\t\t<button onclick=\"getElementById('hidden-div').style.display = 'block'\"> Show Answer <\/button> <button onclick=\"getElementById('hidden-div').style.display = 'none'\">Hide Answer<\/button><\/p>\n<div class=\"hidden-div\" id=\"hidden-div\"><span style=\"\"><\/p>\n<div class=\"answer\">Correct Answer: <strong>D<\/strong><\/div>\n<p><strong>Explanation:<\/strong> <\/p>\n<div class=\"explanation\">\nReference: <a href=\"https:\/\/aws.amazon.com\/premiumsupport\/knowledge-center\/dynamodb-table-throttled\/\" title=\"External link\" rel=\"nofollow noopener\" target=\"_blank\">https:\/\/aws.amazon.com\/premiumsupport\/knowledge-center\/dynamodb-tab&#8230;<\/a><\/div>\n<p><\/strong><\/span> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>A developer has written an application that writes data to Amazon DynamoDB. The DynamoDB table has been configured to use conditional writes. During peak usage times, writes are failing due to a ConditionalCheckFailedException error. How can the developer increase the application\u2019s reliability when multiple clients are attempting to write to the same record? A. Write [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[3,227],"class_list":["post-231","post","type-post","status-publish","format-standard","hentry","category-aws-devops-engineer-professional-dop-c01","tag-aws-devops-engineer-professional-dop-c01","tag-question-224"],"_links":{"self":[{"href":"https:\/\/exampracticetests.com\/aws\/DevOps_Engineer_Professional_DOP-C01\/wp-json\/wp\/v2\/posts\/231","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exampracticetests.com\/aws\/DevOps_Engineer_Professional_DOP-C01\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exampracticetests.com\/aws\/DevOps_Engineer_Professional_DOP-C01\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exampracticetests.com\/aws\/DevOps_Engineer_Professional_DOP-C01\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exampracticetests.com\/aws\/DevOps_Engineer_Professional_DOP-C01\/wp-json\/wp\/v2\/comments?post=231"}],"version-history":[{"count":0,"href":"https:\/\/exampracticetests.com\/aws\/DevOps_Engineer_Professional_DOP-C01\/wp-json\/wp\/v2\/posts\/231\/revisions"}],"wp:attachment":[{"href":"https:\/\/exampracticetests.com\/aws\/DevOps_Engineer_Professional_DOP-C01\/wp-json\/wp\/v2\/media?parent=231"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exampracticetests.com\/aws\/DevOps_Engineer_Professional_DOP-C01\/wp-json\/wp\/v2\/categories?post=231"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exampracticetests.com\/aws\/DevOps_Engineer_Professional_DOP-C01\/wp-json\/wp\/v2\/tags?post=231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}