ICA Securing Workloads Practice Question
Which resource is used to define the root certificate for a custom CA?
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
✓
cacerts
The 'cacerts' secret in the 'istio-system' namespace is used to provide custom root certificates.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
istio-ca-secret
Why it's wrong here
This is a generic name; the actual secret is usually named 'cacerts'.
- ✗
root-secret
Why it's wrong here
Incorrect naming convention.
- ✓
cacerts
Why this is correct
This is the specific secret name Istio looks for.
- ✗
istio-root-ca
Why it's wrong here
Incorrect naming convention.
About these practice questions
One of 292 original ICA practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. 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.