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 is using Amazon RDS for MySQL and wants to implement database activity monitoring to detect suspicious queries. Which TWO AWS services can be used together to achieve this?
AWS Lambda
Can process CloudWatch Logs and detect patterns.
AWS CloudTrail
Why wrong: Records API calls, not database queries.
AWS Systems Manager Patch Manager
Why wrong: Applies patches, not monitoring.
Amazon Inspector
Why wrong: Scans for vulnerabilities, not real-time monitoring.
Amazon CloudWatch Logs
Can receive RDS logs and trigger alarms.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
AWS Lambda
Options A and D are correct. RDS can publish logs to CloudWatch Logs, and CloudWatch Logs can trigger a Lambda function to analyze logs in real-time. Option B is for vulnerability scanning. Option C is for patching. Option E is for auditing API calls, not database queries.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
AWS Lambda
Why this is correct
Can process CloudWatch Logs and detect patterns.
Related concept
Static NAT maps one inside address to one outside address.
AWS CloudTrail
Why it's wrong here
Records API calls, not database queries.
AWS Systems Manager Patch Manager
Why it's wrong here
Applies patches, not monitoring.
Amazon Inspector
Why it's wrong here
Scans for vulnerabilities, not real-time monitoring.
Amazon CloudWatch Logs
Why this is correct
Can receive RDS logs and trigger alarms.
Related concept
Static NAT maps one inside address to one outside address.
Common exam traps
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related DBS-C01 NAT questions on configuration and troubleshooting.
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FAQ
Database Security — This question tests Database Security — Static NAT maps one inside address to one outside address..
The correct answer is: AWS Lambda — Options A and D are correct. RDS can publish logs to CloudWatch Logs, and CloudWatch Logs can trigger a Lambda function to analyze logs in real-time. Option B is for vulnerability scanning. Option C is for patching. Option E is for auditing API calls, not database queries.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related DBS-C01 NAT questions on configuration and troubleshooting.
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 20, 2026
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.
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