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Exam AWS Certified Solutions Architect - Professional topic 1 question 624 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional
Question #: 624
Topic #: 1
[All AWS Certified Solutions Architect - Professional Questions]

A North American company with headquarters on the East Coast is deploying a new web application running on Amazon EC2 in the us-east-1 Region. The application should dynamically scale to meet user demand and maintain resiliency. Additionally, the application must have disaster recover capabilities in an active-passive configuration with the us-west-1 Region.
Which steps should a solutions architect take after creating a VPC in the us-east-1 Region?

  • A. Create a VPC in the us-west-1 Region. Use inter-Region VPC peering to connect both VPCs. Deploy an Application Load Balancer (ALB) spanning multiple Availability Zones (AZs) to the VPC in the us-east-1 Region. Deploy EC2 instances across multiple AZs in each Region as part of an Auto Scaling group spanning both VPCs and served by the ALB.
  • B. Deploy an Application Load Balancer (ALB) spanning multiple Availability Zones (AZs) to the VPC in the us-east-1 Region. Deploy EC2 instances across multiple AZs as part of an Auto Scaling group served by the ALB. Deploy the same solution to the us-west-1 Region. Create an Amazon Route 53 record set with a failover routing policy and health checks enabled to provide high availability across both Regions.
  • C. Create a VPC in the us-west-1 Region. Use inter-Region VPC peering to connect both VPCs. Deploy an Application Load Balancer (ALB) that spans both VPCs. Deploy EC2 instances across multiple Availability Zones as part of an Auto Scaling group in each VPC served by the ALB. Create an Amazon Route 53 record that points to the ALB.
  • D. Deploy an Application Load Balancer (ALB) spanning multiple Availability Zones (AZs) to the VPC in the us-east-1 Region. Deploy EC2 instances across multiple AZs as part of an Auto Scaling group served by the ALB. Deploy the same solution to the us-west-1 Region. Create separate Amazon Route 53 records in each Region that point to the ALB in the Region. Use Route 53 health checks to provide high availability across both Regions.
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by porlarowl at Nov. 2, 2020, 1:49 p.m.
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porlarowl
Highly Voted 3 years, 8 months ago
I support B. A new web application in a active-passive DR mode. a Route 53 record set with a failover routing policy.
upvoted 28 times
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aqiao
Most Recent 2 years, 9 months ago
Selected Answer: B
ALB can not cross region, so A and C rule out. Route 53 is a global service but not region, D rules out
upvoted 2 times
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jj22222
3 years, 2 months ago
Selected Answer: B
b looks right
upvoted 1 times
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pal40sg
3 years, 3 months ago
Selected Answer: B
A new web application in a active-passive DR mode. a Route 53 record set with a failover routing policy.
upvoted 1 times
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shotty1
3 years, 4 months ago
Selected Answer: B
It is definitely B
upvoted 1 times
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pititcu667
3 years, 4 months ago
Selected Answer: B
comes down to the route53 being a global service. i initially voted d.
upvoted 1 times
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AzureDP900
3 years, 6 months ago
Selected Answer: B
B Correct answer
upvoted 1 times
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kirrim
3 years, 7 months ago
There is no reason for the two regions to intercommunicate with each other, so I see no need for the inter-Region peering. That rules out A and C. Between B vs D... Route53 doesn't have per-region records. It's a global service. So D is wrong. B should work great.
upvoted 2 times
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andylogan
3 years, 7 months ago
It's B with failover routing policy
upvoted 2 times
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tgv
3 years, 7 months ago
BBB ---
upvoted 1 times
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blackgamer
3 years, 7 months ago
Definitely B.
upvoted 1 times
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WhyIronMan
3 years, 7 months ago
I'll go with B
upvoted 2 times
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Waiweng
3 years, 7 months ago
ir's B
upvoted 3 times
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ExtHo
3 years, 7 months ago
D Did not mention the routing policy to be used on Amazon Route 53. The question requires that the second region acts as a passive backup, which means only the main region receives all the traffic so you need to specifically use failover routing policy in Amazon Route 53. So B is correct as per requirement
upvoted 2 times
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alisyech
3 years, 7 months ago
i choose B
upvoted 2 times
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Kian1
3 years, 7 months ago
going with B
upvoted 2 times
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Ebi
3 years, 7 months ago
I will go with B
upvoted 4 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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