EX188 Container Operations And Lifecycle Practice Question
An administrator needs to update the CPU shares (cpu-shares) of a running container named compute_job on the fly without stopping it. Which command should be used?
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
✓
podman update --cpu-shares 512 compute_job
podman update modifies container configuration resources on a running container.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
podman update --cpu-shares 512 compute_job
Why this is correct
podman update allows live modification of container resource limits such as CPU shares.
- ✗
podman config compute_job cpu-shares=512
Why it's wrong here
podman config does not support live updates this way.
- ✗
podman modify --cpu-shares 512 compute_job
Why it's wrong here
podman modify is not a valid subcommand.
- ✗
podman set --shares=512 compute_job
Why it's wrong here
podman set is invalid.
About these practice questions
One of 301 original EX188 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 Red Hat exam blueprint
This EX188 practice question is part of Courseiva's free Red Hat 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 EX188 exam.