This EX294 practice question tests your understanding of create content collections and execution environments. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A user wants to build an execution environment from a definition file. Which command is used?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "which command"
Why it matters: Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
ansible-playbook build -i ee.yml
Why wrong: Not for building EEs.
ansible-builder build -f execution-environment.yml
Correct command for building an EE.
ansible-execution-environment build -f ee.yml
Why wrong: Not a valid command.
ansible-galaxy build execution-environment.yml
Why wrong: Used for building collections, not EEs.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
ansible-builder build -f execution-environment.yml
The `ansible-builder build` command is the correct tool for building an Ansible execution environment from a a definition file. The `-f` flag specifies the path to the `execution-environment.yml` file, which defines the base image, required collections, and system dependencies for the containerized environment.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
ansible-playbook build -i ee.yml
Why it's wrong here
Not for building EEs.
ansible-builder build -f execution-environment.yml
Why this is correct
Correct command for building an EE.
Clue confirmation
The clue word "which command" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
ansible-execution-environment build -f ee.yml
Why it's wrong here
Not a valid command.
ansible-galaxy build execution-environment.yml
Why it's wrong here
Used for building collections, not EEs.
Common exam traps
The trap here is that candidates confuse `ansible-builder` with `ansible-galaxy` or `ansible-playbook`, mistakenly thinking that building an execution environment uses the same command as building a collection or running a playbook.
Trap categories for this question
Command / output trap
Not a valid command.
Detailed technical explanation
The `ansible-builder` tool uses the `execution-environment.yml` definition to construct a Containerfile (or Dockerfile) and then invokes Podman or Docker to build the container image. This image includes the Ansible Core runtime, specified collections, and any additional system packages, ensuring consistent execution across different environments. A subtle behavior is that if the `--container-runtime` option is not specified, `ansible-builder` defaults to Podman, which may cause issues on systems where only Docker is installed.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
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FAQ
Create content collections and execution environments — This question tests Create content collections and execution environments — Read the scenario before looking for a memorised answer..
The correct answer is: ansible-builder build -f execution-environment.yml — The `ansible-builder build` command is the correct tool for building an Ansible execution environment from a a definition file. The `-f` flag specifies the path to the `execution-environment.yml` file, which defines the base image, required collections, and system dependencies for the containerized environment.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "which command". Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 25, 2026
This EX294 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 EX294 exam.
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