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DBS-C01 Management and Operations Practice Question
Arrange the steps to switch over from a primary Amazon RDS for Oracle DB instance to a standby in a Multi-AZ deployment (planned failover) in the correct order.
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
✓
First verify the standby replica is healthy and in sync, then initiate the failover using the AWS Management Console or CLI, and finally confirm that the new primary is accepting connections.
Planned failover involves verifying standby health, initiating failover, and confirming connectivity.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
First verify the standby replica is healthy and in sync, then initiate the failover using the AWS Management Console or CLI, and finally confirm that the new primary is accepting connections.
Why this is correct
This is the correct order because before failing over you must ensure the standby is synchronized and healthy to avoid data loss, then initiate the failover, and finally verify connectivity to the new primary.
- ✗
First initiate the failover, then verify the standby replica is healthy and in sync, and finally confirm that the new primary is accepting connections.
Why it's wrong here
This is incorrect because initiating failover before verifying standby health can lead to failover to an unhealthy standby, causing downtime or data loss.
- ✗
First confirm that the new primary is accepting connections, then verify the standby replica is healthy and in sync, and finally initiate the failover.
Why it's wrong here
This is incorrect because you cannot confirm connectivity before failover occurs, and the standby must be verified before failover, not after.
- ✗
First verify the standby replica is healthy and in sync, then confirm that the new primary is accepting connections, and finally initiate the failover.
Why it's wrong here
This is incorrect because confirming connectivity before failover is impossible since the standby isn't primary yet; failover must come before confirmation.
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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.