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Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 959 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03

Question #: 959
Topic #: 1

[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

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

Show Suggested Answer

Suggested Answer: D 🗳️

by nebajp at Aug. 11, 2024, 4:23 a.m.

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Comments

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ieffiong

4 months ago

Selected Answer: D

When comparing the two: Option C is less straightforward because State Manager isn’t designed specifically for start/stop operations on RDS. It would likely require additional complexity (e.g., custom automation documents and potential workarounds) to achieve a scheduled start/stop functionality. Option D leverages EventBridge’s native scheduling capabilities to invoke Lambda functions, offering a more direct and streamlined approach with the least operational overhead.

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FlyingHawk

5 months, 2 weeks ago

Selected Answer: C

based on the AWS doc, you can use AWS Systems Manager State Manager associations to start and stop the RDS instances: 1. https://docs.aws.amazon.com/systems-manager-automation-runbooks/latest/userguide/automation-ref-rds.html AWS-StartRdsInstance AWS-StartStopAuroraCluster AWS-StopRdsInstance 2. https://docs.aws.amazon.com/systems-manager/latest/userguide/scheduling-automations-state-manager-associations.html D is also workable solution, but it will take more effort to implement.

upvoted 3 times

FlyingHawk

5 months, 2 weeks ago

If State Manager does not fully meet your needs, you can also use AWS Lambda with Amazon EventBridge to achieve similar functionality. This approach provides more flexibility but requires additional setup and management https://docs.aws.amazon.com/prescriptive-guidance/latest/patterns/automatically-stop-and-start-an-amazon-rds-db-instance-using-aws-systems-manager-maintenance-windows.html

upvoted 1 times

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LeonSauveterre

5 months, 4 weeks ago

Selected Answer: C

A - CloudWatch alarms are designed to respond to metric thresholds (like CPU/memory utilization) rather than schedules. B - Trusted Advisor provides cost optimization and resource usage recommendations but can't schedule anything. D - Works but more complicated than option C. We don't wanna manually compose and then maintain lambda functions right?

upvoted 1 times

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Liongeek

6 months, 1 week ago

Selected Answer: C

Setting State Manager with AWS managed Documents (StartEC2Instance, StopEC2Instance, StartRDSInstance and StopRDSInstance) it's easier and faster than creating your own Lambda functions and event bridge rules. Letter C is the answ.

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bujuman

7 months, 2 weeks ago

Selected Answer: D

AWS Systems Manager State Manage has limitations regarding MSQL and the Db engine is not mentioned. Check the this link to confirm D option : https://aws.amazon.com/blogs/database/save-costs-by-automating-the-start-and-stop-of-amazon-rds-instances-with-aws-lambda-and-amazon-eventbridge/

upvoted 4 times

Salilgen

5 months, 3 weeks ago

You are right: AWS Systems Manager has limitations (https://docs.aws.amazon.com/prescriptive-guidance/latest/patterns/automatically-stop-and-start-an-amazon-rds-db-instance-using-aws-systems-manager-maintenance-windows.html#automatically-stop-and-start-an-amazon-rds-db-instance-using-aws-systems-manager-maintenance-windows-prereqs). Anyway, the question doesn't mention any of them

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ARV14

7 months ago

It should be c as requirement is least operational overhead. Creating 4 lambda functions, event bridge rule, deploying through cloud formation works but adds operational overhead

upvoted 2 times

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KaZimirovich

8 months, 2 weeks ago

Selected Answer: D

While AWS Systems Manager State Manager can be used to manage configuration states of AWS resources, it is generally more complex to set up for straightforward use cases like schedule-based starting and stopping of RDS instances compared to using a direct scheduling method through EventBridge.

upvoted 4 times

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jingen11

8 months, 2 weeks ago

Selected Answer: C

Start, restart, or stop managed nodes and Amazon Relational Database Service (Amazon RDS) instances.

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hharbiordun85

8 months, 4 weeks ago

D. Amazon EventBridge allows you to create rules based on a schedule (using cron expressions) to automate tasks. You can set up rules to start the RDS instances at the beginning of business hours and stop them at the end of business hours. By using AWS Lambda in conjunction with EventBridge, you can create functions that handle

upvoted 1 times

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siheom

9 months ago

Selected Answer: D

VOTE D

upvoted 2 times

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AbhiBK

10 months ago

To meet the requirement of running Amazon RDS DB instances only during business hours with the least operational overhead, the best solution would be: D. Create an Amazon EventBridge rule that invokes AWS Lambda functions to start and stop the RDS instances. This approach allows you to automate the scheduling of start and stop actions using EventBridge rules, which can trigger Lambda functions based on a cron expression. This setup is straightforward and requires minimal ongoing management

upvoted 4 times

AbhiBK

10 months ago

Option C, which involves using AWS Systems Manager State Manager to start and stop the RDS instances, is indeed a viable solution. It allows you to automate the process of keeping your RDS instances in a desired state, such as starting and stopping them on a schedule12. However, the reason Option D (using Amazon EventBridge with AWS Lambda) might be preferred for this scenario is due to its simplicity and flexibility. EventBridge rules can be easily configured with cron expressions to trigger Lambda functions, which can start and stop the RDS instances. This setup typically involves fewer steps and less configuration compared to setting up State Manager associations and IAM roles3. Both options are valid, but Option D generally offers a more straightforward approach with potentially lower operational overhead

upvoted 2 times

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