Question 231 of 1,730
Database SecuritymediumMultiple ChoiceObjective-mapped

Quick Answer

The correct answer is to enable RDS SQL Server audit logs and send them to CloudWatch Logs, because this is the only native AWS mechanism that captures individual SQL statements like DELETE commands along with the executing user and timestamp. RDS audit logs work by leveraging SQL Server’s own auditing feature, which can be configured to log specific database actions, and when integrated with CloudWatch Logs, the logs become searchable and retain historical data for forensic analysis. On the AWS Certified Database Specialty DBS-C01 exam, this scenario tests your ability to distinguish between AWS services that log at different layers: CloudTrail logs API-level calls (e.g., who launched an RDS instance), VPC Flow Logs capture network traffic metadata, and Trusted Advisor offers only best-practice checks—none of these reveal actual SQL statements. A common trap is assuming CloudTrail covers database queries, but remember: CloudTrail stops at the database engine boundary. Memory tip: “SQL statements need SQL-level logs—think ‘audit logs’ for the actual query, CloudTrail for the API call.”

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 security team is investigating a potential data breach in an Amazon RDS for SQL Server database. They need to determine which user executed a specific DELETE statement at a particular time. What should they do?

Question 1mediummultiple choice
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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

Enable audit logs for the RDS instance and send them to CloudWatch Logs.

Enabling RDS Enhanced Monitoring and audit logs captures SQL statements. Option C is correct. Option A is wrong because CloudTrail logs API calls, not SQL commands. Option B is wrong because VPC Flow Logs capture network traffic. Option D is wrong because AWS Trusted Advisor provides best practice checks, not auditing.

Key principle: Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Enable AWS CloudTrail for the RDS instance.

    Why it's wrong here

    CloudTrail does not capture SQL queries.

  • Enable audit logs for the RDS instance and send them to CloudWatch Logs.

    Why this is correct

    Audit logs record SQL statements and can be analyzed.

    Related concept

    CIDR notation defines the prefix length.

  • Enable VPC Flow Logs for the database subnet.

    Why it's wrong here

    Flow logs capture network metadata, not SQL.

  • Enable AWS Trusted Advisor.

    Why it's wrong here

    Trusted Advisor provides recommendations, not auditing.

Common exam traps

Common exam trap: usable hosts are not the same as total addresses

Subnetting questions often tempt you into counting all addresses. In normal IPv4 subnets, the network and broadcast addresses are not usable host addresses.

Detailed technical explanation

How to think about this question

Subnetting questions test whether you can identify the network, broadcast address, usable range, mask and correct subnet. Slow down enough to calculate the block size correctly.

KKey Concepts to Remember

  • CIDR notation defines the prefix length.
  • Block size helps identify subnet boundaries.
  • Network and broadcast addresses are not usable hosts in normal IPv4 subnets.
  • The required host count determines the smallest suitable subnet.

TExam Day Tips

  • Write the block size before choosing the subnet.
  • Check whether the question asks for hosts, subnets or a specific address range.
  • Do not confuse /24, /25, /26 and /27 host counts.

Key takeaway

Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.

Real-world example

How this comes up in practice

A healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.

What to study next

Got this wrong? Here's your next step.

Review block sizes, usable host formulas (2^n − 2), and how to find network and broadcast addresses for /24 through /30. Then practise related DBS-C01 subnetting questions on CIDR, address ranges, and subnet selection.

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FAQ

Questions learners often ask

What does this DBS-C01 question test?

Database Security — This question tests Database Security — CIDR notation defines the prefix length..

What is the correct answer to this question?

The correct answer is: Enable audit logs for the RDS instance and send them to CloudWatch Logs. — Enabling RDS Enhanced Monitoring and audit logs captures SQL statements. Option C is correct. Option A is wrong because CloudTrail logs API calls, not SQL commands. Option B is wrong because VPC Flow Logs capture network traffic. Option D is wrong because AWS Trusted Advisor provides best practice checks, not auditing.

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

Review block sizes, usable host formulas (2^n − 2), and how to find network and broadcast addresses for /24 through /30. Then practise related DBS-C01 subnetting questions on CIDR, address ranges, and subnet selection.

What is the key concept behind this question?

CIDR notation defines the prefix length.

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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.