{"id":31,"date":"2021-01-08T06:29:08","date_gmt":"2021-01-08T06:29:08","guid":{"rendered":"https:\/\/exampracticetests.com\/aws\/SysOps_Administrator_SOA-C01\/aws-certified-sysops-administrator-soa-c01-question024\/"},"modified":"2021-01-08T06:29:08","modified_gmt":"2021-01-08T06:29:08","slug":"aws-certified-sysops-administrator-soa-c01-question024","status":"publish","type":"post","link":"https:\/\/exampracticetests.com\/aws\/SysOps_Administrator_SOA-C01\/aws-certified-sysops-administrator-soa-c01-question024\/","title":{"rendered":"AWS Certified SysOps Administrator SOA-C01 &#8211; Question024"},"content":{"rendered":"<div class=\"question\">You have a web-style application with a stateless but CPU and memory-intensive web tier running on a cc2 8xlarge EC2 instance inside of a VPC The instance when under load is having problems returning requests within the SLA as defined by your business The application maintains its state in a DynamoDB table, but the data tier is properly provisioned and responses are consistently fast.<br \/>\nHow can you best resolve the issue of the application responses not meeting your SLA? <br \/><strong><br \/>A.<\/strong> Add another cc2 8xlarge application instance, and put both behind an Elastic Load Balancer <br \/><strong>B.<\/strong> Move the cc2 8xlarge to the same Availability Zone as the DynamoDB table <br \/><strong>C.<\/strong> Cache the database responses in ElastiCache for more rapid access <br \/><strong>D.<\/strong> Move the database from DynamoDB to RDS MySQL in scale-out read-replica configuration<\/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>A<\/strong><\/div>\n<p><strong>Explanation:<\/strong> <\/p>\n<div class=\"explanation\">\nExplanation: DynamoDB is automatically available across three facilities in an AWS Region. So moving in to a same AZ is not possible \/ necessary. In this case the DB layer is not the issue, the EC2 8xlarge is the issue; so add another one with a ELB in-front of it. See also: <a href=\"https:\/\/aws.amazon.com\/dynamodb\/faqs\/\" title=\"External link\" rel=\"nofollow noopener\" target=\"_blank\">https:\/\/aws.amazon.com\/dynamodb\/faqs\/<\/a><\/div>\n<p><\/strong><\/span> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>You have a web-style application with a stateless but CPU and memory-intensive web tier running on a cc2 8xlarge EC2 instance inside of a VPC The instance when under load is having problems returning requests within the SLA as defined by your business The application maintains its state in a DynamoDB table, but the data [&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":[3,27],"class_list":["post-31","post","type-post","status-publish","format-standard","hentry","category-aws-certified-sysops-administrator-soa-c01","tag-aws-certified-sysops-administrator-soa-c01","tag-question-024"],"_links":{"self":[{"href":"https:\/\/exampracticetests.com\/aws\/SysOps_Administrator_SOA-C01\/wp-json\/wp\/v2\/posts\/31","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exampracticetests.com\/aws\/SysOps_Administrator_SOA-C01\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exampracticetests.com\/aws\/SysOps_Administrator_SOA-C01\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exampracticetests.com\/aws\/SysOps_Administrator_SOA-C01\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exampracticetests.com\/aws\/SysOps_Administrator_SOA-C01\/wp-json\/wp\/v2\/comments?post=31"}],"version-history":[{"count":0,"href":"https:\/\/exampracticetests.com\/aws\/SysOps_Administrator_SOA-C01\/wp-json\/wp\/v2\/posts\/31\/revisions"}],"wp:attachment":[{"href":"https:\/\/exampracticetests.com\/aws\/SysOps_Administrator_SOA-C01\/wp-json\/wp\/v2\/media?parent=31"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exampracticetests.com\/aws\/SysOps_Administrator_SOA-C01\/wp-json\/wp\/v2\/categories?post=31"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exampracticetests.com\/aws\/SysOps_Administrator_SOA-C01\/wp-json\/wp\/v2\/tags?post=31"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}