DBS-C01 Monitoring and Troubleshooting Practice Question
Network Topology
Refer to the exhibit. A developer runs the AWS CLI command and receives the output shown. What is this 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 DNS endpoint of the DB instance
The output shown is the DNS endpoint of the RDS instance. This is the standard endpoint used to connect to the DB instance. Option A is correct because it matches this output. Option B is incorrect because the output is a DNS name, not a private IP address. Option C is incorrect because a reader endpoint includes a '-ro' suffix and applies only to Multi-AZ clusters. Option D is incorrect because the resource ID is a different identifier, not a DNS endpoint.
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 DNS endpoint of the DB instance
Why this is correct
RDS provides a DNS endpoint for connections.
- ✗
The private IP address of the DB instance
Why it's wrong here
It is a DNS name, not an IP.
- ✗
The reader endpoint of a Multi-AZ cluster
Why it's wrong here
Reader endpoints contain '-ro'.
- ✗
The resource ID of the DB instance
Why it's wrong here
Resource IDs are like 'db-ABCDEFGHIJKLMNOPQ'.
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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.