Question 395 of 1,730
Database SecuritymediumMultiple ChoiceObjective-mapped

DBS-C01 Database Security Practice Question

This DBS-C01 practice question tests your understanding of database security. 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 company runs an e-commerce platform on AWS using an Amazon Aurora MySQL database. The database is accessed by multiple microservices, each using a separate database user. The security team recently discovered that a developer accidentally committed database credentials to a public GitHub repository. The credentials were for a user that had write access to the database. The team immediately revoked the credentials and rotated them. However, they want to prevent such incidents from happening again. They need a solution that ensures credentials are not hardcoded in application code, are rotated automatically, and are accessible only to authorized microservices. What should they do?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

  • Clue: "immediately / without restart"

    Why it matters: Time or reboot constraint — the correct answer must take effect right away without requiring a reboot or reload.

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 Secrets Manager to store the credentials, configure automatic rotation, and attach a resource-based policy to allow access only from the microservices' IAM roles.

Option C is correct. AWS Secrets Manager is designed for storing sensitive credentials like database passwords. It supports automatic rotation of secrets, and access can be controlled via IAM policies attached to the microservices' roles, ensuring only authorized microservices can retrieve the credentials. Option A is incorrect because while IAM database authentication eliminates the need for passwords, it requires the microservices to obtain temporary credentials via the IAM API, which still involves managing secrets (e.g., access keys) or using IAM roles; it does not address the automatic rotation of stored credentials. Option B is incorrect because AWS Systems Manager Parameter Store does not support automatic rotation of secrets; it only stores them. Option D is incorrect because storing credentials in an encrypted S3 bucket does not provide automatic rotation, and bucket policies alone do not offer the fine-grained access control and auditing capabilities of Secrets Manager.

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 IAM database authentication for Aurora and eliminate the use of database passwords.

    Why it's wrong here

    Incorrect. IAM database authentication eliminates the need for passwords but does not automatically rotate credentials or prevent hardcoding; it still requires a way to authenticate as the IAM role.

  • Use AWS Systems Manager Parameter Store to store the credentials and grant access via IAM roles.

    Why it's wrong here

    Incorrect. AWS Systems Manager Parameter Store can store credentials and control access via IAM roles, but it does not support automatic rotation for RDS credentials.

  • Use AWS Secrets Manager to store the credentials, configure automatic rotation, and attach a resource-based policy to allow access only from the microservices' IAM roles.

    Why this is correct

    Correct. AWS Secrets Manager stores secrets, supports automatic rotation, and allows fine-grained access control via IAM policies, meeting all requirements.

    Clue confirmation

    The clue word "immediately / without restart" in the question point toward this answer.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Store the credentials in an encrypted S3 bucket and grant access to the microservices via bucket policies.

    Why it's wrong here

    Incorrect. Storing credentials in an encrypted S3 bucket does not provide automatic rotation and is less secure for secrets management compared to dedicated services like Secrets Manager.

Common exam traps

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.

Detailed technical explanation

How to think about this question

This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.

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.
  • Use explanations to understand the rule behind the answer.

TExam Day Tips

  • Underline the problem statement mentally.
  • 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 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.

Visual reference

Client DHCP Server 1 Discover (broadcast) 2 Offer (IP: 192.168.1.10) 3 Request (I accept) 4 Acknowledge (lease confirmed) DORA — the four-step DHCP lease process

Quick reference

AWS S3 Storage Class Comparison

Storage ClassMin DurationRetrievalUse Case
S3 StandardNoneImmediateFrequently accessed data
S3 Standard-IA30 daysImmediateInfrequent access, rapid retrieval
S3 One Zone-IA30 daysImmediateNon-critical infrequent data
S3 Intelligent-TieringNoneImmediate–hoursUnknown or changing access patterns
S3 Glacier Instant90 daysMillisecondsArchive with instant retrieval
S3 Glacier Flexible90 daysMinutes–hoursArchive, flexible retrieval
S3 Glacier Deep Archive180 daysHoursLong-term compliance archive

What to study next

Got this wrong? Here's your next step.

Identify which DBS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

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FAQ

Questions learners often ask

What does this DBS-C01 question test?

Database Security — This question tests Database Security — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Use AWS Secrets Manager to store the credentials, configure automatic rotation, and attach a resource-based policy to allow access only from the microservices' IAM roles. — Option C is correct. AWS Secrets Manager is designed for storing sensitive credentials like database passwords. It supports automatic rotation of secrets, and access can be controlled via IAM policies attached to the microservices' roles, ensuring only authorized microservices can retrieve the credentials. Option A is incorrect because while IAM database authentication eliminates the need for passwords, it requires the microservices to obtain temporary credentials via the IAM API, which still involves managing secrets (e.g., access keys) or using IAM roles; it does not address the automatic rotation of stored credentials. Option B is incorrect because AWS Systems Manager Parameter Store does not support automatic rotation of secrets; it only stores them. Option D is incorrect because storing credentials in an encrypted S3 bucket does not provide automatic rotation, and bucket policies alone do not offer the fine-grained access control and auditing capabilities of Secrets Manager.

What should I do if I get this DBS-C01 question wrong?

Identify which DBS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

Are there clue words in this question I should notice?

Yes — watch for: "immediately / without restart". Time or reboot constraint — the correct answer must take effect right away without requiring a reboot or reload.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 20, 2026

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This DBS-C01 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 DBS-C01 exam.