Exam AWS-SysOps topic 1 question 14 discussion

Exam question from Amazon's AWS-SysOps

Question #: 14
Topic #: 1

You have a web application leveraging an Elastic Load Balancer (ELB) In front of the web servers deployed using an Auto Scaling Group Your database is running on Relational Database Service (RDS) The application serves out technical articles and responses to them in general there are more views of an article than there are responses to the article. On occasion, an article on the site becomes extremely popular resulting in significant traffic Increases that causes the site to go down.
What could you do to help alleviate the pressure on the infrastructure while maintaining availability during these events? (Choose three.)

A. Leverage CloudFront for the delivery of the articles.
B. Add RDS read-replicas for the read traffic going to your relational database
C. Leverage ElastiCache for caching the most frequently used data.
D. Use SOS to queue up the requests for the technical posts and deliver them out of the queue.
E. Use Route53 health checks to fail over to an S3 bucket for an error page.

Show Suggested Answer

Suggested Answer: ABC 🗳️

by awscertified at March 2, 2020, 11:32 p.m.

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awscertified

Highly Voted 2 years, 3 months ago

A. Leverage CloudFront for the delivery of the articles. B. Add RDS read-replicas for the read traffic going to your relational database C. Leverage ElastiCache for caching the most frequently used data.

upvoted 9 times

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xxxdolorxxx

Most Recent 2 years, 1 month ago

ABC is the right way to go.

upvoted 1 times

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FHU

2 years, 2 months ago

A B and C

upvoted 1 times

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RicardoD

2 years, 2 months ago

A|B|C are the answers Cloudfront, read replicas and Elasticache are meant for performance

upvoted 1 times

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ThomasY

2 years, 2 months ago

why A? the question did not mention S3.

upvoted 1 times

DAAJ

7 months ago

CloudFront works seamlessly with services including AWS Shield for DDoS mitigation, Amazon S3, Elastic Load Balancing, or Amazon EC2 as origins for your applications, and Lambda@Edge to run custom code closer to customers’ users and to customize the user experience.

upvoted 1 times

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