The answer is Cloud Deploy, as it is the recommended service for managing auditable deployments with rollback on GKE. Cloud Deploy provides built-in rollback capabilities and audit logs, allowing you to revert to any previous release revision while maintaining a complete, immutable record of every change. This is critical because raw Kubernetes Deployment history lacks the granular audit trail and controlled progressive delivery that enterprise compliance requires. On the Google Professional Cloud Developer exam, this tests your understanding of CI/CD pipeline governance; a common trap is assuming that Cloud Build alone suffices for rollback, but Cloud Build triggers deployments, while Cloud Deploy manages the release lifecycle with explicit rollback and approval gates. Memory tip: think of Cloud Deploy as the “release manager” that gives you a time machine (rollback) and a security camera (audit logs) for every deployment.
PCD Building and testing applications Practice Question
This PCD practice question tests your understanding of building and testing applications. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
An organization uses Cloud Build to deploy multiple microservices to GKE. They want to ensure that the deployment process can be audited and that each deployment can be rolled back to a previous version. What is the recommended approach?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use Cloud Deploy to manage deployments with rollback capabilities and audit logs.
Cloud Deploy is the recommended service for managing progressive deliveries and rollbacks on GKE, as it provides built-in rollback capabilities, audit logging, and delivery pipeline management. Unlike raw Kubernetes Deployment history, Cloud Deploy integrates with Cloud Build and offers a controlled, auditable deployment process with the ability to roll back to any previous release revision.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Use Kubernetes Deployment history to rollback by specifying a revision.
Why it's wrong here
Revision history is limited and not centrally audited.
✓
Use Cloud Deploy to manage deployments with rollback capabilities and audit logs.
Why this is correct
Cloud Deploy provides automated rollback and deployment history.
Related concept
Read the scenario before looking for a memorised answer.
✗
Store each manifest version in Artifact Registry and manually apply kubectl.
Why it's wrong here
Does not provide rollback automation or audit trail.
✗
Use Cloud Build to redeploy a previous image tag when rollback is needed.
Why it's wrong here
Cloud Build does not manage rollbacks natively.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the misconception that Kubernetes native rollback mechanisms (like `kubectl rollout undo`) are sufficient for enterprise audit requirements, but the exam expects candidates to recognize that Cloud Deploy provides the necessary audit logs and structured rollback workflows for production environments.
Detailed technical explanation
How to think about this question
Cloud Deploy uses delivery pipelines and targets to manage releases, and each release creates a rollout object that tracks the state of the deployment. Rollbacks are performed by creating a new rollout that references a previous release, ensuring that the entire deployment history is preserved in Cloud Audit Logs. This approach is critical in regulated environments where every deployment action must be logged and traceable to a specific user or automation trigger.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Building and testing applications — This question tests Building and testing applications — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use Cloud Deploy to manage deployments with rollback capabilities and audit logs. — Cloud Deploy is the recommended service for managing progressive deliveries and rollbacks on GKE, as it provides built-in rollback capabilities, audit logging, and delivery pipeline management. Unlike raw Kubernetes Deployment history, Cloud Deploy integrates with Cloud Build and offers a controlled, auditable deployment process with the ability to roll back to any previous release revision.
What should I do if I get this PCD question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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