ICA Istio Installation Upgrade And Configuration Practice Question
You need to configure the IstioOperator CR to disable mTLS globally for a legacy migration. Which field correctly sets the global peer authentication policy?
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
✓
spec.values.global.mtls.enabled: false
The 'spec.meshConfig.defaultConfig.peerAuthenticationPolicy' is not the correct path; the global mTLS setting is handled via 'spec.values.global.mtls.enabled'.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
spec.components.pilot.mtls: false
Why it's wrong here
Pilot does not control mesh-wide mTLS via this field.
- ✗
spec.meshConfig.mtls: false
Why it's wrong here
MeshConfig does not contain a simple mtls boolean at this level.
- ✓
spec.values.global.mtls.enabled: false
Why this is correct
This is the correct path for the Helm-based configuration in IstioOperator.
- ✗
spec.security.globalMtls: false
Why it's wrong here
This path does not exist in the IstioOperator schema.
About these practice questions
This ICA question is part of Courseiva's 292-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
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.