DBS-C01 Management and Operations Practice Question
Network Topology
Refer to the exhibit. A database administrator runs the AWS CLI command to check the status of an Amazon RDS MySQL DB instance. Based on the output, what action is required to apply the pending modifications?
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
✓
Reboot the DB instance to apply the pending parameter group changes.
The output shows 'ParameterApplyStatus: pending-reboot', which indicates that changes to the DB parameter group (specifically the parameter modifications) require a reboot to take effect. While there are also pending modifications for the backup retention period and master user password, these do not necessitate a reboot. Therefore, the correct action is to reboot the DB instance (Option A). Options B, C, and D are incorrect: taking a snapshot is not required, modifying the parameter group has already been done (the status reflects pending-reboot), and altering the backup retention period is not the immediate action needed for the pending reboot.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Reboot the DB instance to apply the pending parameter group changes.
Why this is correct
The ParameterApplyStatus shows 'pending-reboot', so a reboot is required to apply the parameter changes.
- ✗
Take a snapshot of the DB instance before applying changes.
Why it's wrong here
A snapshot is not required for applying pending modifications.
- ✗
Modify the DB parameter group to change the parameter values.
Why it's wrong here
The parameter group has already been modified; it is pending a reboot.
- ✗
Modify the DB instance to set the backup retention period to 7.
Why it's wrong here
The backup retention period change is pending but will apply without a reboot.
Go deeper
Related to this question
About these practice questions
This DBS-C01 question is part of Courseiva's 1,663-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
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.