EX188 Container Image Building Practice Question
Which TWO instructions in a Containerfile can be used to set metadata or default execution parameters that influence how a container runs? (Choose two.)
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
✓
CMD
CMD and ENTRYPOINT both define runtime execution behavior for containers.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
RUN
Why it's wrong here
RUN executes commands during the image build process, not at container runtime.
- ✓
CMD
Why this is correct
CMD sets default commands or arguments for the container execution.
- ✓
ENTRYPOINT
Why this is correct
ENTRYPOINT configures the executable that will run when the container starts.
- ✗
COPY
Why it's wrong here
COPY transfers files from the host into the container image.
- ✗
FROM
Why it's wrong here
FROM specifies the base image.
About these practice questions
Courseiva writes every EX188 question from scratch — 296 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or 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 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.