DBS-C01 Monitoring and Troubleshooting Practice Question
Network Topology
Refer to the exhibit. A database administrator runs the AWS CLI command to describe events for an RDS instance. Which conclusion is most likely correct based on the output?
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
✓
The DB instance experienced a Multi-AZ failover and subsequently restarted.
The output shows a failover event followed by a restart, which is typical after a failover. Option A is incorrect because the events show a failover, not a manual restart. Option B is incorrect because the failover was completed, not failed. Option D is incorrect because there is no indication of a snapshot restore.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The Multi-AZ failover failed and the instance restarted.
Why it's wrong here
The failover completed successfully, as indicated by 'completed'.
- ✗
The DB instance was manually restarted by an administrator.
Why it's wrong here
The events show a failover before the restart, indicating an automatic failover.
- ✓
The DB instance experienced a Multi-AZ failover and subsequently restarted.
Why this is correct
The sequence shows a failover completed, then the instance restarted.
- ✗
The DB instance was restored from a snapshot and then restarted.
Why it's wrong here
No snapshot restore events are present.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.