Google PCA Ensure solution and operations reliability Practice Question
A team is designing a disaster recovery (DR) plan for a critical application. Which THREE components are essential for a robust DR plan? (Choose 3)
⚠ Common exam trap
Google Cloud often tests the misconception that a single-region deployment is acceptable for DR if it has high availability within that region, but the exam emphasizes that DR requires geographic separation to survive a full regional failure.
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
✓
Failover procedures and runbooks
Failover procedures and runbooks (A) are essential because they provide step-by-step instructions for executing a controlled transition to the secondary site, ensuring minimal downtime and consistent recovery actions. Without documented runbooks, teams risk misconfigurations during a disaster, which can extend recovery time objectives (RTO) beyond acceptable limits.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Failover procedures and runbooks
Why this is correct
Well-documented failover steps ensure quick recovery.
- ✓
Regular backups to a separate region
Why this is correct
Backups in a different region protect against regional disasters.
- ✗
A single-region deployment for consistency
Why it's wrong here
A single-region deployment is vulnerable to regional outages.
- ✓
Monitoring and alerting for disaster events
Why this is correct
Alerting triggers the DR process when failures occur.
- ✗
Load testing to validate performance
Why it's wrong here
Load testing is part of performance testing, not core to DR plan.
Go deeper
Related to this question
Key term
CAN
A CAN (Controller Area Network) is a robust vehicle bus standard designed to allow microcontrollers and devices to communicate with each other without a host computer.
Key term
RTO
Recovery Time Objective is the maximum acceptable time to restore a system or data after a disaster, defining how quickly normal operations must resume.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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