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Question 253 - DOP-C01 discussion

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A DevOps engineer is assisting with a multi-Region disaster recovery solution for a new application. The application consists of Amazon EC2 instances running in an Auto Scaling group and an Amazon Aurora MySQL DB cluster. The application must be available with an RTO of 120 minutes and an RPO of 60 minutes.

What is the MOST cost-effective way to meet these requirements?

A.
Launch an Aurora DB cluster as an Aurora Replica in a different Region. Create an AWS CloudFormation template for all compute resources and create a stack in two Regions. Write a script that promotes the Aurora Replica to the primary instance in the event of a failure.
Answers
A.
Launch an Aurora DB cluster as an Aurora Replica in a different Region. Create an AWS CloudFormation template for all compute resources and create a stack in two Regions. Write a script that promotes the Aurora Replica to the primary instance in the event of a failure.
B.
Launch an Aurora DB cluster as an Aurora Replica in a different Region and configure automatic cross-Region failover. Create an AWS CloudFormation template that includes an Auto Scaling group, and create a stack in two Regions. Write a script that updates the CloudFormation stack in the disaster recovery Region to increase the number of instances.
Answers
B.
Launch an Aurora DB cluster as an Aurora Replica in a different Region and configure automatic cross-Region failover. Create an AWS CloudFormation template that includes an Auto Scaling group, and create a stack in two Regions. Write a script that updates the CloudFormation stack in the disaster recovery Region to increase the number of instances.
C.
Use AWS Lambda to create and copy a snapshot of the Aurora DB cluster to the destination Region hourly. Create an AWS CloudFormation template that includes an Auto Scaling group, and create a stack in two Regions. Restore the Aurora DB cluster from a snapshot and update the Auto Scaling group to start launching instances.
Answers
C.
Use AWS Lambda to create and copy a snapshot of the Aurora DB cluster to the destination Region hourly. Create an AWS CloudFormation template that includes an Auto Scaling group, and create a stack in two Regions. Restore the Aurora DB cluster from a snapshot and update the Auto Scaling group to start launching instances.
D.
Configure Amazon DynamoDB cross-Region replication. Create an AWS CloudFormation template that includes an Auto Scaling group, and create a stack in two Regions. Write a script that will update the CloudFormation stack in the disaster recovery Region and promote the DynamoDB replica to the primary instance in the event of a failure.
Answers
D.
Configure Amazon DynamoDB cross-Region replication. Create an AWS CloudFormation template that includes an Auto Scaling group, and create a stack in two Regions. Write a script that will update the CloudFormation stack in the disaster recovery Region and promote the DynamoDB replica to the primary instance in the event of a failure.
Suggested answer: A
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asked 16/09/2024
vladimir nezgoda
34 questions
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