CCSP Cloud Platform and Infrastructure Security Practice Question
In a Kubernetes cluster, which resource should be used to restrict network traffic between pods based on source and destination labels?
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
✓
Network Policies
Network policies in Kubernetes act as a firewall for pods, allowing or denying traffic based on selectors.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Pod Security Admission
Why it's wrong here
PSA restricts pod security contexts, not network traffic.
- ✓
Network Policies
Why this is correct
Network policies define ingress and egress rules for pods.
- ✗
Secrets management with Vault
Why it's wrong here
Vault manages secrets, not network rules.
- ✗
Role-Based Access Control (RBAC)
Why it's wrong here
RBAC controls API access, not network traffic.
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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.