Google PCA Designing for Security and Compliance Practice Question
An organization wants to enforce that all container images deployed to Google Kubernetes Engine (GKE) clusters are signed by an authorized authority and only those images are allowed to run. Which GCP service should they use?
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
✓
Binary Authorization
Binary Authorization enforces deployment-time policies that require container images to be signed by trusted authorities before they can be deployed to GKE.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Cloud Key Management Service (Cloud KMS)
Why it's wrong here
Cloud KMS manages encryption keys, not image signing policies.
- ✓
Binary Authorization
Why this is correct
Binary Authorization is the correct service for requiring signed container images.
- ✗
Cloud Build
Why it's wrong here
Cloud Build builds container images but does not enforce attestation policies.
- ✗
Artifact Registry
Why it's wrong here
Artifact Registry stores container images but does not enforce signing policies.
Go deeper
Related to this question
Learn chapter
Introduction to Google Cloud Platform
Key term
GKE
GKE is Google's managed Kubernetes service that automates deploying, scaling, and managing containerized applications in the cloud.
Key term
Google Kubernetes Engine
Google Kubernetes Engine (GKE) is a managed Kubernetes service on Google Cloud that lets you deploy, scale, and manage containerized applications without having to operate the underlying cluster control plane.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PCA 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 PCA exam.