AWS Secrets Manager with rotation enabled is the correct choice because it natively supports automatic secret rotation on a configurable schedule, such as every 30 days, without requiring any custom operational scripts. This service integrates directly with Lambda through the AWS SDK, allowing the database password to be retrieved at runtime rather than stored in environment variables or hardcoded, which aligns with security best practices. On the SAA-C03 exam, this scenario tests your understanding of the key difference between AWS Secrets Manager and AWS Systems Manager Parameter Store: while Parameter Store can store secrets, it lacks built-in automated rotation and requires custom Lambda functions or scripts to rotate credentials, making Secrets Manager the only fully managed option for automatic rotation. A common trap is choosing Parameter Store with a rotation script, but the question explicitly forbids custom scripts. Memory tip: think “Secrets Manager = rotation built-in, no scripting required.”
SAA-C03 Design Secure Architectures Practice Question
This SAA-C03 practice question tests your understanding of design secure architectures. 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: aWS Secrets Manager stores and manages sensitive information like database credentials.. 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.
A Lambda function for a mobile banking backend needs to read a database password. The password must rotate automatically every 30 days and should not be stored in environment variables. Which service should be used? The design must avoid adding custom operational scripts.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
AWS Secrets Manager with rotation enabled
AWS Secrets Manager is the correct choice because it natively supports automatic rotation of secrets on a configurable schedule (e.g., every 30 days) without requiring custom scripts. It also provides fine-grained access control and integrates directly with Lambda via the AWS SDK, keeping the password out of environment variables and code.
Key principle: AWS Secrets Manager stores and manages sensitive information like database credentials.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
An encrypted object in Amazon S3
Why it's wrong here
S3 can store encrypted data but is not a secret lifecycle management service.
✓
AWS Secrets Manager with rotation enabled
Why this is correct
Secrets Manager stores secrets securely and supports automatic rotation using a rotation Lambda function.
Related concept
AWS Secrets Manager stores and manages sensitive information like database credentials.
✗
AWS Systems Manager Parameter Store SecureString without automation
Why it's wrong here
SecureString can store secrets, but automatic rotation is not built in for the secret value.
✗
A KMS-encrypted Lambda environment variable
Why it's wrong here
Encrypting an environment variable protects storage but does not provide managed secret rotation.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse AWS Systems Manager Parameter Store SecureString (which can store secrets but lacks automatic rotation) with Secrets Manager, or they assume that encrypting environment variables with KMS is sufficient for rotation, ignoring the need for automated lifecycle management.
Detailed technical explanation
How to think about this question
AWS Secrets Manager uses a built-in rotation function (typically a Lambda function) that updates the secret in both the service and the target database (e.g., RDS) during rotation. The rotation process follows a four-phase model: create a new version, set the pending state, test it, and then mark it as current. This ensures zero downtime and avoids storing plaintext secrets in environment variables or code.
KKey Concepts to Remember
AWS Secrets Manager stores and manages sensitive information like database credentials.
It supports automatic secret rotation using AWS Lambda functions.
Secrets Manager integrates with various AWS services and third-party databases for rotation.
Applications retrieve secrets at runtime, avoiding hardcoding or insecure storage.
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
AWS Secrets Manager stores and manages sensitive information like database credentials.
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Got this wrong? Here's your next step.
Review aWS Secrets Manager stores and manages sensitive information like database credentials., then practise related SAA-C03 questions on the same topic to reinforce the concept.
Design Secure Architectures — This question tests Design Secure Architectures — AWS Secrets Manager stores and manages sensitive information like database credentials..
What is the correct answer to this question?
The correct answer is: AWS Secrets Manager with rotation enabled — AWS Secrets Manager is the correct choice because it natively supports automatic rotation of secrets on a configurable schedule (e.g., every 30 days) without requiring custom scripts. It also provides fine-grained access control and integrates directly with Lambda via the AWS SDK, keeping the password out of environment variables and code.
What should I do if I get this SAA-C03 question wrong?
Review aWS Secrets Manager stores and manages sensitive information like database credentials., then practise related SAA-C03 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
AWS Secrets Manager stores and manages sensitive information like database credentials.
About these practice questions
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These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. Based on the exhibit, which AWS service should the team use so the database password can rotate automatically every 30 days and the application can retrieve it securely at runtime?
medium
A.AWS Systems Manager Parameter Store with a standard String parameter
✓ B.AWS Secrets Manager
C.Amazon Cognito user pools
D.AWS Key Management Service customer managed keys
Why B: AWS Secrets Manager is the correct service because it natively supports automatic rotation of database passwords on a configurable schedule (e.g., every 30 days) and provides secure retrieval at runtime via the AWS SDK, CLI, or Secrets Manager API. Unlike Parameter Store, Secrets Manager is designed specifically for managing secrets with built-in rotation, encryption, and fine-grained access control.
Last reviewed: Jun 11, 2026
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This SAA-C03 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SAA-C03 exam.
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