This DBS-C01 practice question tests your understanding of database security. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 an Amazon RDS for MySQL database and needs to audit all database login events. The audit logs must be stored in Amazon S3 for long-term retention. Which steps should be taken to accomplish this?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Enable the 'audit_log' plugin, publish logs to CloudWatch Logs, and create an export task to S3.
Option C is correct because RDS for MySQL supports audit logs via the 'audit_log' plugin, which can be published to CloudWatch Logs, and then exported to S3. Option A is wrong because RDS does not natively publish logs directly to S3. Option B is wrong because CloudTrail does not capture database login events. Option D is wrong because the general log is not the same as audit log and may not capture all login events as required.
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
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Enable the 'general_log' parameter and set 'log_output' to 'FILE', then copy the log file to S3 manually.
Why it's wrong here
General log is not an audit log; manual copy is not scalable or automated.
✗
Enable CloudTrail data events for RDS to capture login events and store in S3.
Why it's wrong here
CloudTrail captures API calls, not database login events.
✗
Enable the 'audit_log' plugin and configure RDS to publish logs to an S3 bucket.
Why it's wrong here
RDS cannot publish logs directly to S3; logs must go through CloudWatch Logs.
✓
Enable the 'audit_log' plugin, publish logs to CloudWatch Logs, and create an export task to S3.
Why this is correct
This is the standard method to get audit logs into S3.
Related concept
Static NAT maps one inside address to one outside address.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
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
How to think about this question
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.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
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
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 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.
Database Security — This question tests Database Security — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Enable the 'audit_log' plugin, publish logs to CloudWatch Logs, and create an export task to S3. — Option C is correct because RDS for MySQL supports audit logs via the 'audit_log' plugin, which can be published to CloudWatch Logs, and then exported to S3. Option A is wrong because RDS does not natively publish logs directly to S3. Option B is wrong because CloudTrail does not capture database login events. Option D is wrong because the general log is not the same as audit log and may not capture all login events as required.
What should I do if I get this DBS-C01 question wrong?
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.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Question Discussion
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