Exam AWS Certified Solutions Architect - Professional SAP-C02 topic 1 question 345 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional SAP-C02

Question #: 345
Topic #: 1

[All AWS Certified Solutions Architect - Professional SAP-C02 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 recovery 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 ALDeploy 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

Suggested Answer: B 🗳️

by cypkir at Nov. 22, 2023, 7:19 a.m.

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AzureDP900

7 months, 2 weeks ago

B is right To implement disaster recovery in an active-passive configuration, you should deploy the application infrastructure across multiple Availability Zones (AZs) in each Region with the primary region being us-east-1. By having an Application Load Balancer (ALB) spanning multiple AZs in the us-east-1 Region and EC2 instances as part of an Auto Scaling group served by this ALB, you can achieve dynamic scaling to meet user demand. To ensure high availability across both Regions, create an Amazon Route 53 record set with a failover routing policy that directs traffic from the us-west-1 Region to the primary infrastructure in the us-east-1 Region when available. Enable health checks for this Route 53 record set to ensure that traffic is directed away from unhealthy endpoints, providing a seamless user experience while ensuring resiliency and disaster recovery capabilities.

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asquared16

10 months, 1 week ago

Selected Answer: B

ALB can't span VPCs in different regions, the key statement in B is "Deploy the same solution in us-west-1"

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tushar321

1 year, 2 months ago

B. Peering is not needed here as we dont need syncing of environments

upvoted 3 times

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TonytheTiger

1 year, 3 months ago

Selected Answer: B

Option B - https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/dns-failover-types.html

upvoted 2 times

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vibzr2023

1 year, 5 months ago

My Answer is also B but i feel D is also same as B.. Only difference is the words. B " Create an Amazon Route 53 record set with a failover routing policy and health checks enabled to provide high availability across both Regions" D "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" Can someone clarify???

upvoted 1 times