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SOA-C02 Practice Question: Secrets Manager automatic rotation for RDS…
This SOA-C02 practice question tests your understanding of secrets manager automatic rotation for rds…. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. A key principle to apply: secrets Manager rotation. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
An application stores its RDS PostgreSQL credentials in AWS Secrets Manager. The security policy requires credentials to be rotated every 30 days automatically. During rotation, the application must continue to serve traffic with zero downtime. The application retrieves credentials by calling GetSecretValue at the start of each database connection. What must be configured to satisfy all requirements?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Best answer
Enable automatic rotation in Secrets Manager with a 30-day schedule; use the AWS-provided Lambda rotation function for RDS PostgreSQL; ensure the application calls GetSecretValue per connection rather than caching credentials
The AWS-provided rotation Lambda handles the full four-step lifecycle. The 30-day rotation schedule triggers the Lambda automatically. Because the application fetches credentials fresh per connection, it starts using the new credentials immediately after AWSCURRENT switches, with no restart needed. Secrets Manager's rotation is designed for zero downtime — the new password is validated on the database before the old version is retired.
B
Distractor review
Rotate credentials manually every 30 days by updating the secret value in the console and restarting the application
Manual rotation violates the 'automatic' requirement and introduces human error. Restarting the application also violates the zero-downtime requirement. The rotation schedule in Secrets Manager automates this entirely.
C
Distractor review
Create an EventBridge scheduled rule every 30 days that triggers a Lambda to generate a new RDS password and update both the database and the secret
This approach reimplements what Secrets Manager rotation already provides natively. The custom Lambda must replicate the full four-step rotation protocol correctly, handle rollback on failure, and manage the transition window between old and new passwords. Secrets Manager's built-in rotation handles all of this.
D
Distractor review
Store credentials in an environment variable on the application's EC2 instance and rotate by updating the environment variable and reloading the application
Environment variables are not managed by Secrets Manager, do not support automatic rotation, are not encrypted at rest by default, and appear in the EC2 console. This approach violates the Secrets Manager requirement and the zero-downtime requirement (reloading requires a restart).
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
Treat this as a scenario question. Identify the problem, the constraint, and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Secrets Manager rotation
- Lambda rotation function
- RDS credentials
- rotation schedule
- dual-password rotation
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Secrets Manager rotation
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A company uses Amazon CloudFront to deliver content to a global audience. The origin is an Application Load Balancer in us-east-1. The SysOps administrator wants to reduce costs by minimizing the number of requests that reach the origin server. Which action should the administrator take?
Question 2
A company runs a batch processing application on Amazon EC2 that runs for 2 hours every night. The workload can tolerate interruptions. Which EC2 purchasing option provides the lowest cost for this use case?
Question 3
A SysOps administrator needs to monitor the CPU utilization of an Amazon RDS DB instance and receive an alarm when CPU utilization exceeds 80% for 5 consecutive minutes. Which AWS service should be used to create this alarm?
Question 4
A company runs a critical web application on Amazon EC2 instances in an Auto Scaling group behind an Application Load Balancer (ALB). The application uses session stickiness (sticky sessions) to maintain user sessions. The SysOps administrator notices that when instances are replaced during a scale-in or failure event, users lose their session data. The administrator needs to preserve session data across instance failures without losing stickiness benefits. What should the administrator do?
Question 5
A company runs a production web application on a single Amazon EC2 instance. The application experiences a predictable and steady workload 24/7. The SysOps administrator wants to minimize compute costs for this instance while ensuring it remains available during the expected workload. Which EC2 purchasing option should the administrator use?
Question 6
A company has a VPC with public and private subnets. The private subnets host application servers that need to make outbound HTTPS connections to the internet. The SysOps administrator must implement a solution that provides outbound internet connectivity while preventing inbound connections from the internet. Additionally, the solution must allow the company to control which domains the application servers can access. Which solution should the administrator implement?
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FAQ
Questions learners often ask
What does this SOA-C02 question test?
Secrets Manager rotation
What is the correct answer to this question?
The correct answer is: Enable automatic rotation in Secrets Manager with a 30-day schedule; use the AWS-provided Lambda rotation function for RDS PostgreSQL; ensure the application calls GetSecretValue per connection rather than caching credentials — Secrets Manager automated rotation uses a Lambda function to execute a four-step rotation process: createSecret (generate a new credential), setSecret (set it on the database), testSecret (validate it), and finishSecret (mark the new version as AWSCURRENT). During the brief period between setSecret and finishSecret, both the old and new passwords may be valid depending on the database's dual-password support. Since the application calls GetSecretValue per connection (not caching credentials), it always retrieves the current version, so it transparently picks up the new credentials after rotation completes without any restart.
What should I do if I get this SOA-C02 question wrong?
Review secrets Manager rotation, then practise related SOA-C02 questions on the same topic to reinforce the concept.
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