- A
Use AWS Systems Manager Parameter Store with a SecureString parameter for the password.
Parameter Store with SecureString provides encrypted storage for the password.
- B
Use AWS Secrets Manager to store the master password and reference it dynamically.
Secrets Manager securely stores the password and allows dynamic reference in CloudFormation.
- C
Hardcode the master password in the CloudFormation template.
Why wrong: Hardcoding passwords is insecure and exposes them in the template.
- D
Use IAM database authentication to manage credentials.
Why wrong: IAM database authentication is an alternative to passwords, not a method to store the master password.
- E
Leave the master password empty so that CloudFormation generates a random password.
Why wrong: CloudFormation does not generate a random password; the password must be provided.
DVA-C02 Deployment Practice Question
This DVA-C02 practice question tests your understanding of deployment. 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. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. 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 developer is deploying an application using AWS CloudFormation. The stack includes an Amazon RDS DB instance. To ensure secure credential management, which TWO actions should the developer take? (Choose TWO.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Use AWS Systems Manager Parameter Store with a SecureString parameter for the password.
AWS Systems Manager Parameter Store with a SecureString parameter is correct because it allows you to securely store the RDS master password as an encrypted parameter and reference it in the CloudFormation template using the `resolve:ssm` or `resolve:ssm-secure` dynamic reference. This avoids hardcoding the password in the template or exposing it in plaintext, while still enabling automated deployment.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Use AWS Systems Manager Parameter Store with a SecureString parameter for the password.
Why this is correct
Parameter Store with SecureString provides encrypted storage for the password.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Use AWS Secrets Manager to store the master password and reference it dynamically.
Why this is correct
Secrets Manager securely stores the password and allows dynamic reference in CloudFormation.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Hardcode the master password in the CloudFormation template.
Why it's wrong here
Hardcoding passwords is insecure and exposes them in the template.
- ✗
Use IAM database authentication to manage credentials.
Why it's wrong here
IAM database authentication is an alternative to passwords, not a method to store the master password.
- ✗
Leave the master password empty so that CloudFormation generates a random password.
Why it's wrong here
CloudFormation does not generate a random password; the password must be provided.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse IAM database authentication (which handles user-level access) with master password management, or assume CloudFormation can auto-generate passwords for RDS, but neither is correct for securely setting the initial master password.
Detailed technical explanation
How to think about this question
Under the hood, CloudFormation dynamic references for Systems Manager Parameter Store (`resolve:ssm-secure`) fetch the parameter value at stack creation/update time and pass it to the RDS resource, but the value is not stored in the template or stack metadata. For Secrets Manager, the `dynamic reference` (`resolve:secretsmanager:secret-id:SecretString:password`) retrieves the secret value directly, and CloudFormation supports this for RDS `MasterPassword` properties. A subtle behavior: if the parameter or secret is deleted or access is revoked, subsequent stack operations will fail, so proper lifecycle management is critical.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
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
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
Visual reference
What to study next
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FAQ
Questions learners often ask
What does this DVA-C02 question test?
Deployment — This question tests Deployment — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use AWS Systems Manager Parameter Store with a SecureString parameter for the password. — AWS Systems Manager Parameter Store with a SecureString parameter is correct because it allows you to securely store the RDS master password as an encrypted parameter and reference it in the CloudFormation template using the `resolve:ssm` or `resolve:ssm-secure` dynamic reference. This avoids hardcoding the password in the template or exposing it in plaintext, while still enabling automated deployment.
What should I do if I get this DVA-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
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