ICA Istio Installation Upgrade And Configuration Practice Question
If you want to use a custom proxy image for your sidecars, where should this be specified in the IstioOperator configuration?
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.proxy.image
The 'spec.values.global.proxy.image' field is used to override the default image for the sidecar proxies.
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.proxy.image
Why it's wrong here
This path does not exist.
- ✗
spec.meshConfig.defaultConfig.proxyImage
Why it's wrong here
This is not the correct path.
- ✗
spec.sidecarInjector.image
Why it's wrong here
This is for the injector image, not the sidecar proxy.
- ✓
spec.values.global.proxy.image
Why this is correct
This is the correct path to override the image.
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.