ICA Securing Workloads Practice Question
Which TWO of the following are true regarding PeerAuthentication policies?
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
✓
They must be applied in the 'istio-system' namespace to work globally.
They can be applied at mesh, namespace, or workload level, and the mode can be STRICT or PERMISSIVE.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
They cannot be used with sidecar-less ambient mode.
Why it's wrong here
PeerAuthentication is supported in ambient mode.
- ✓
They must be applied in the 'istio-system' namespace to work globally.
Why this is correct
Global policy requires root namespace deployment.
- ✗
They validate JWT tokens.
Why it's wrong here
RequestAuthentication validates tokens.
- ✗
They support the 'DENY' action.
Why it's wrong here
PeerAuthentication does not have an action field like AuthorizationPolicy.
- ✓
The 'mode' can be set to 'STRICT' or 'PERMISSIVE'.
Why this is correct
These are the two primary modes.
About these practice questions
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official CNCF / Linux Foundation exam blueprint
This ICA practice question is part of Courseiva's free CNCF / Linux Foundation 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 ICA exam.