CCSP Cloud Platform and Infrastructure Security Practice Question
During a supply chain security review, a team discovers that container images are not being verified at admission time. Which Kubernetes-native tool should be implemented to ensure only signed images are deployed?
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
✓
Admission controller (e.g., Kyverno) with image signature verification
An admission controller like OPA Gatekeeper or Kyverno can enforce policies that verify image signatures before allowing pod creation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
NetworkPolicy
Why it's wrong here
NetworkPolicy controls network traffic, not image admission.
- ✗
PodSecurityPolicy
Why it's wrong here
PodSecurityPolicy is deprecated and does not handle image signing.
- ✓
Admission controller (e.g., Kyverno) with image signature verification
Why this is correct
Correct: Admission controllers can validate image signatures using tools like Cosign.
- ✗
ResourceQuota
Why it's wrong here
ResourceQuota limits resource usage, not image verification.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CCSP practice question is part of Courseiva's free ISC2 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 CCSP exam.