Topic 1 Question 141

AWS Certified Solutions Architect - Associate

Topic 1 Question 141
A company runs a web-based portal that provides users with global breaking news, local alerts, and weather updates. The portal delivers each user a personalized view by using mixture of static and dynamic content. Content is served over HTTPS through an API server running on an Amazon EC2 instance behind an Application Load Balancer (ALB). The company wants the portal to provide this content to its users across the world as quickly as possible. How should a solutions architect design the application to ensure the LEAST amount of latency for all users?
- Deploy the application stack in a single AWS Region. Use Amazon CloudFront to serve all static and dynamic content by specifying the ALB as an origin.
- Deploy the application stack in two AWS Regions. Use an Amazon Route 53 latency routing policy to serve all content from the ALB in the closest Region.
- Deploy the application stack in a single AWS Region. Use Amazon CloudFront to serve the static content. Serve the dynamic content directly from the ALB.
- Deploy the application stack in two AWS Regions. Use an Amazon Route 53 geolocation routing policy to serve all content from the ALB in the closest Region.
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- 正解だと思う選択肢: A
  Answer is A. Amazon CloudFront is a web service that speeds up distribution of your static and dynamic web content https://www.examtopics.com/discussions/amazon/view/81081-exam-aws-certified-solutions-architect-associate-saa-c02/
  
  👍 19
  huiy2022/10/13
- 正解だと思う選択肢: B
  Answer should be B,
  
  CloudFront reduces latency if its only static content, which is not the case here. For Dynamic content, CF cant cache the content so it sends the traffic through the AWS Network which does reduces latency, but it still has to travel through another region.
  
  For the case with 2 region and Route 53 latency routing, Route 53 detects the nearest resouce (with lowest latency) and routes the traffic there. Because the traffic does not have to travel to resources far away, it should have the least latency in this case here.
  
  👍 7
  Six_Fingered_Jose2022/10/26
- Something is wrong with the question, or the answers.
  
  The best way to do it is deploy the website in one region, use CloudFront to reduce latency and use a geolocation Route 53 routing policy as the application provides local alerts and weather alerts.
  
  Without geolocation the application will provide local alerts in London to people living in Australia.
  
  Answer D is the closet, however - it's wrong.
  
  👍 3
  UnluckyDucky2023/03/15
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