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Exam AWS Certified SysOps Administrator - Associate topic 1 question 49 discussion

Exam question from Amazon's AWS Certified SysOps Administrator - Associate
Question #: 49
Topic #: 1
[All AWS Certified SysOps Administrator - Associate Questions]

A company hosts a web portal on Amazon EC2 instances. The web portal uses an Elastic Load Balancer (ELB) and Amazon Route 53 for its public DNS service.
The ELB and the EC2 instances are deployed by way of a single AWS CloudFormation stack in the us-east-1 Region. The web portal must be highly available across multiple Regions.
Which configuration will meet these requirements?

  • A. Deploy a copy of the stack in the us-west-2 Region. Create a single start of authority (SOA) record in Route 53 that includes the IP address from each ELB. Configure the SOA record with health checks. Use the ELB in us-east-1 as the primary record and the ELB in us-west-2 as the secondary record.
  • B. Deploy a copy of the stack in the us-west-2 Region. Create an additional A record in Route 53 that includes the ELB in us-west-2 as an alias target. Configure the A records with a failover routing policy and health checks. Use the ELB in us-east-1 as the primary record and the ELB in us-west-2 as the secondary record.
  • C. Deploy a new group of EC2 instances in the us-west-2 Region. Associate the new EC2 instances with the existing ELB, and configure load balancer health checks on all EC2 instances. Configure the ELB to update Route 53 when EC2 instances in us-west-2 fail health checks.
  • D. Deploy a new group of EC2 instances in the us-west-2 Region. Configure EC2 health checks on all EC2 instances in each Region. Configure a peering connection between the VPCs. Use the VPC in us-east-1 as the primary record and the VPC in us-west-2 as the secondary record.
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Suggested Answer: B 🗳️
by kati2k22cz at Sept. 3, 2022, 7:22 p.m.
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Balliache520505
Highly Voted 1 year, 7 months ago
The answer is B. When you create a hosted zone, Route 53 automatically creates a name server (NS) record and a start of authority (SOA) record for the zone. https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/migrate-dns-domain-in-use.html#migrate-dns-create-hosted-zone
upvoted 11 times
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Benly
Most Recent 5 months, 4 weeks ago
Selected Answer: B
Why is the answer A?
upvoted 1 times
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[Removed]
7 months, 2 weeks ago
Selected Answer: B
B since SOA record is not appropriate for this
upvoted 1 times
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jipark
8 months, 2 weeks ago
Selected Answer: B
deploy "copy stack", then use "Alias"
upvoted 2 times
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sisover
8 months, 3 weeks ago
What happens when people vote for B and the question shows different answer as correct one ?
upvoted 1 times
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Andrew_A
10 months, 2 weeks ago
Selected Answer: B
Option A involves a start of authority (SOA) record, which is not appropriate for failover configuration.
upvoted 4 times
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michaldavid
1 year, 4 months ago
Selected Answer: B
bbbbbbbb
upvoted 2 times
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Liongeek
1 year, 5 months ago
Ans: B
upvoted 2 times
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Shruti09753
1 year, 6 months ago
Selected Answer: B
B should be the answer
upvoted 2 times
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Surferbolt
1 year, 6 months ago
Selected Answer: B
B is the answer
upvoted 1 times
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hippius
1 year, 6 months ago
Selected Answer: B
Sure It's B
upvoted 2 times
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Gianiluca
1 year, 7 months ago
Selected Answer: B
Agree it’s B
upvoted 1 times
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AAAaat
1 year, 7 months ago
Selected Answer: B
B. the doc also state you rarely would ever need to change anything about SOA which is automoatically created.
upvoted 2 times
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princajen
1 year, 7 months ago
Selected Answer: B
No matter how I read it, I always go for B!
upvoted 1 times
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andrerkn
1 year, 7 months ago
Selected Answer: B
Going with B
upvoted 1 times
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haxaffee
1 year, 7 months ago
Selected Answer: B
It's not possible to create or add failover to SOA records and you can also not Alias target them. Wrong in so many ways. Please read https://en.wikipedia.org/wiki/SOA_record B.
upvoted 1 times
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kati2k22cz
1 year, 7 months ago
Selected Answer: B
Guess is B Because the use of routing policy and health checks
upvoted 2 times
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