DBS-C01 Management and Operations Practice Question
Network Topology
The exhibit shows the output of an AWS CLI command for an Amazon RDS DB instance. Based on the output, what is the current configuration of the DB instance?
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
✓
It is a Single-AZ MySQL DB instance.
The output shows engine=mysql, MultiAZ=false, SecondaryAvailabilityZone=null, and DBInstanceStatus=available. This indicates a Single-AZ MySQL DB instance, not a Multi-AZ deployment, not Aurora, and not in a failed state. Therefore, option D is correct.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
It is an Amazon Aurora MySQL-Compatible DB cluster.
Why it's wrong here
The engine is mysql, not aurora.
- ✗
It is a MySQL DB instance that is currently in a failed state.
Why it's wrong here
DBInstanceStatus is 'available', so it is not failed.
- ✗
It is a Multi-AZ DB instance with a standby in a different AZ.
Why it's wrong here
MultiAZ is false, so it is not Multi-AZ.
- ✓
It is a Single-AZ MySQL DB instance.
Why this is correct
MultiAZ is false and SecondaryAvailabilityZone is null, confirming Single-AZ.
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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.