PCDOE Building and implementing CI/CD pipelines Practice Question
A team wants to ensure zero-downtime deployments for a Cloud Run service. They plan to gradually shift traffic from the current revision to the new one. What should they configure?
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
✓
Use Cloud Run's traffic splitting feature to slowly increase traffic to the new revision
Cloud Run supports traffic splitting, allowing you to gradually send a percentage of traffic to the new revision to monitor health before fully switching.
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 Cloud Build to directly replace the revision
Why it's wrong here
Replacing the revision causes downtime.
- ✗
Set traffic to 100% on the new revision gradually using multiple updates
Why it's wrong here
This is not gradual; it's an all-at-once switch.
- ✗
Configure a rolling update strategy in Cloud Deploy
Why it's wrong here
Cloud Deploy is for Kubernetes, not Cloud Run.
- ✓
Use Cloud Run's traffic splitting feature to slowly increase traffic to the new revision
Why this is correct
Cloud Run allows you to assign traffic percentages to revisions, enabling gradual rollouts.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PCDOE practice question is part of Courseiva's free Google Cloud 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 PCDOE exam.