EX188 Container Image Building Practice Question
Which THREE statements are true concerning how Podman builds container images and utilizes the build context? (Choose three.)
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
✓
A file named '.containerignore' (or '.dockerignore') can be used to exclude files from being sent to the build context.
The build context is sent to the builder, .containerignore excludes files, and standard stdin can be used.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
A file named '.containerignore' (or '.dockerignore') can be used to exclude files from being sent to the build context.
Why this is correct
.containerignore excludes files from the context.
- ✗
Podman cannot accept a Containerfile via standard input (stdin); it must always read from a file on disk.
Why it's wrong here
Podman can read Containerfiles from stdin using '-'.
- ✗
Files outside the build context directory can be freely copied into the image using standard COPY instructions without extra flags.
Why it's wrong here
COPY cannot access files outside the build context.
- ✓
The build context is the set of files located in the specified directory or archive passed to 'podman build'.
Why this is correct
The build context defines the files available to COPY and ADD.
- ✓
Building an image sends the entire build context to the container storage daemon/engine.
Why this is correct
The context is sent to the build engine for processing.
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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 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.