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Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 836 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03
Question #: 836
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

A company serves its website by using an Auto Scaling group of Amazon EC2 instances in a single AWS Region. The website does not require a database.

The company is expanding, and the company's engineering team deploys the website to a second Region. The company wants to distribute traffic across both Regions to accommodate growth and for disaster recovery purposes. The solution should not serve traffic from a Region in which the website is unhealthy.

Which policy or resource should the company use to meet these requirements?

  • A. An Amazon Route 53 simple routing policy
  • B. An Amazon Route 53 multivalue answer routing policy
  • C. An Application Load Balancer in one Region with a target group that specifies the EC2 instance IDs from both Regions
  • D. An Application Load Balancer in one Region with a target group that specifies the IP addresses of the EC2 instances from both Regions
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Suggested Answer: B 🗳️
by Kaula at March 23, 2024, 3:31 p.m.
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waldirlsantos
Highly Voted 1 year ago
Selected Answer: B
53 with multivalue is the best option for this case Multivalue answer routing lets you configure Amazon Route 53 to return multiple values, such as IP addresses for your web servers, in response to DNS queries. You can specify multiple values for almost any record, but multivalue answer routing also lets you check the health of each resource, so Route 53 returns only values for healthy resources. It's not a substitute for a load balancer, but the ability to return multiple health-checkable IP addresses is a way to use DNS to improve availability and load balancing.
upvoted 5 times
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mk168898
Most Recent 6 months, 1 week ago
Selected Answer: B
C and D are wrong because need serve traffic across both region. B seems correct
upvoted 2 times
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MatAlves
7 months, 1 week ago
A - Doesn't provide health check C and D - Only work within a single zone.
upvoted 1 times
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Sergiuss95
11 months, 3 weeks ago
Selected Answer: B
Yes, is the option b.
upvoted 1 times
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TruthWS
1 year, 1 month ago
Option B
upvoted 1 times
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Kaula
1 year, 1 month ago
Selected Answer: B
https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/routing-policy-multivalue.html
upvoted 3 times
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