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Exam AWS Certified SysOps Administrator - Associate topic 1 question 181 discussion

Exam question from Amazon's AWS Certified SysOps Administrator - Associate
Question #: 181
Topic #: 1
[All AWS Certified SysOps Administrator - Associate Questions]

A global gaming company is preparing to launch a new game on AWS. The game runs in multiple AWS Regions on a fleet of Amazon EC2 instances. The instances are in an Auto Scaling group behind an Application Load Balancer (ALB) in each Region. The company plans to use Amazon Route 53 for DNS services. The DNS configuration must direct users to the Region that is closest to them and must provide automated failover.

Which combination of steps should a SysOps administrator take to configure Route 53 to meet these requirements? (Choose two.)

  • A. Create Amazon CloudWatch alarms that monitor the health of the ALB in each Region. Configure Route 53 DNS failover by using a health check that monitors the alarms.
  • B. Create Amazon CloudWatch alarms that monitor the health of the EC2 instances in each Region. Configure Route 53 DNS failover by using a health check that monitors the alarms.
  • C. Configure Route 53 DNS failover by using a health check that monitors the private IP address of an EC2 instance in each Region.
  • D. Configure Route 53 geoproximity routing. Specify the Regions that are used for the infrastructure.
  • E. Configure Route 53 simple routing. Specify the continent, country, and state or province that are used for the infrastructure.
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Suggested Answer: AD 🗳️
by michaldavid at Dec. 13, 2022, 6:39 a.m.
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Gil80
Highly Voted 1 year, 8 months ago
Selected Answer: AD
Option B is not correct because monitoring the health of the EC2 instances is not sufficient to provide failover as the EC2 instances are in an Auto Scaling group and instances can be added or removed dynamically. Option C is not correct because monitoring the private IP address of an EC2 instance is not sufficient to determine the health of the infrastructure, as the instance may still be running but the application or service on the instance may be unhealthy. Option E is not correct because simple routing does not take into account geographic proximity, which is a requirement in this scenario.
upvoted 10 times
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jipark
Highly Voted 1 year, 2 months ago
Selected Answer: AD
two clues are : 1. "EC2 behind ALB"' -> monitor ALB 2. route "users" -> geoproximity
upvoted 6 times
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r2c3po
Most Recent 10 months, 1 week ago
Selected Answer: AD
A. Create Amazon CloudWatch alarms that monitor the health of the ALB in each Region. Configure Route 53 DNS failover by using a health check that monitors the alarms. D. Configure Route 53 geoproximity routing. Specify the Regions that are used for the infrastructure.
upvoted 2 times
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Phinx
1 year, 8 months ago
Selected Answer: CD
C and D. No other options. CloudWatch is irrelevant in this scenario.
upvoted 4 times
Kipalom
10 months, 2 weeks ago
You can't use Route 53 DNS Failover for private IPs
upvoted 2 times
Bar_t
8 months, 3 weeks ago
"Route 53 health checkers are outside the VPC. To check the health of an endpoint within a VPC by IP address, you must assign a public IP address to the instance in the VPC."
upvoted 1 times
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michaldavid
1 year, 10 months ago
Selected Answer: AD
A and D
upvoted 6 times
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