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Question 835 - SAA-C03 discussion

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A company has multiple Amazon RDS DB instances that run in a development AWS account. All the instances have tags to identify them as development resources. The company needs the development DB instances to run on a schedule only during business hours.

Which solution will meet these requirements with the LEAST operational overhead?

A.

Create an Amazon CloudWatch alarm to identify RDS instances that need to be stopped Create an AWS Lambda function to start and stop the RDS instances.

Answers
A.

Create an Amazon CloudWatch alarm to identify RDS instances that need to be stopped Create an AWS Lambda function to start and stop the RDS instances.

B.

Create an AWS Trusted Advisor report to identify RDS instances to be started and stopped. Create an AWS Lambda function to start and stop the RDS instances.

Answers
B.

Create an AWS Trusted Advisor report to identify RDS instances to be started and stopped. Create an AWS Lambda function to start and stop the RDS instances.

C.

Create AWS Systems Manager State Manager associations to start and stop the RDS instances.

Answers
C.

Create AWS Systems Manager State Manager associations to start and stop the RDS instances.

D.

Create an Amazon EventBridge rule that invokes AWS Lambda functions to start and stop the RDS instances.

Answers
D.

Create an Amazon EventBridge rule that invokes AWS Lambda functions to start and stop the RDS instances.

Suggested answer: D

Explanation:

To run RDS instances only during business hours with the least operational overhead, you can use Amazon EventBridge to schedule events that invoke AWS Lambda functions. The Lambda functions can be configured to start and stop the RDS instances based on the specified schedule (business hours). EventBridge rules allow you to define recurring events easily, and Lambda functions provide a serverless way to manage RDS instance start and stop operations, reducing administrative overhead.

Option A: While CloudWatch alarms could be used, they are more suited for monitoring, and using Lambda with EventBridge is simpler.

Option B (Trusted Advisor): Trusted Advisor is not ideal for scheduling tasks.

Option C (Systems Manager): Systems Manager could also work, but EventBridge and Lambda offer a more streamlined and lower-overhead solution.

AWS

Reference:

Amazon EventBridge Scheduler

AWS Lambda

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asked 27/10/2024
Leandro Ruwer
46 questions
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