ICA Advanced Scenarios Practice Question
Which command is used to restart an Istio sidecar without restarting the application container?
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
✓
You must restart the pod.
In Kubernetes, you cannot restart just one container in a pod. You must restart the pod.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
istioctl proxy-config restart
Why it's wrong here
This command does not exist.
- ✗
kubectl exec to the sidecar and kill process.
Why it's wrong here
This is not the supported way to manage sidecars and can cause issues.
- ✗
istioctl inject --restart
Why it's wrong here
This command does not exist.
- ✓
You must restart the pod.
Why this is correct
Since sidecars are separate containers in the same pod, the only way to restart one is to restart the entire pod.
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.