Question 303 of 518

Create content collections and execution environments →hardMultiple ChoiceObjective-mapped

EX294 Practice Question: Create content collections and execution environments

This EX294 practice question tests your understanding of create content collections and execution environments. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.

Exhibit

Refer to the exhibit.

$ cat execution-environment.yml
---
version: 3
images:
  base_image:
    name: registry.redhat.io/ansible-automation-platform-22/ee-minimal-rhel8:latest
options:
  package_manager_path: /usr/bin/microdnf
dependencies:
  galaxy: requirements.yml
  python: requirements.txt
  system: bindep.txt

$ cat requirements.txt
ansible
requests

$ cat bindep.txt
python3-devel [platform:rpm]
gcc [platform:rpm]

$ ansible-builder build -f execution-environment.yml

Build fails with: 'Error: No matching package to install: python3-devel'.

What is the most likely cause of the build failure?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

Question 1hardmultiple choice

Full question →

Exhibit

Refer to the exhibit.

$ cat execution-environment.yml
---
version: 3
images:
  base_image:
    name: registry.redhat.io/ansible-automation-platform-22/ee-minimal-rhel8:latest
options:
  package_manager_path: /usr/bin/microdnf
dependencies:
  galaxy: requirements.yml
  python: requirements.txt
  system: bindep.txt

$ cat requirements.txt
ansible
requests

$ cat bindep.txt
python3-devel [platform:rpm]
gcc [platform:rpm]

$ ansible-builder build -f execution-environment.yml

Build fails with: 'Error: No matching package to install: python3-devel'.

A
The base image already includes python3-devel, causing a conflict with the bindep.txt entry.
ee-minimal images often include development packages; duplicate request fails.
B
The package_manager_path should be /usr/bin/dnf.
Why wrong: RHEL8 minimal uses microdnf.
C
The version field in execution-environment.yml is incorrect.
Why wrong: Version 3 is correct for this format.
D
The base image name is misspelled.
Why wrong: The image name appears correct.

Full breakdown with real-world context →

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

✓

The base image already includes python3-devel, causing a conflict with the bindep.txt entry.

The build failure is most likely caused by a conflict between the base image's pre-installed python3-devel package and the bindep.txt entry that also specifies python3-devel. In Ansible Builder, bindep.txt lists system packages to install via dnf, but if the base image already includes that package, the build process may fail due to duplicate or conflicting package manager operations, especially if the base image uses a different package version or repository configuration.

Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

✓
The base image already includes python3-devel, causing a conflict with the bindep.txt entry.
Why this is correct
ee-minimal images often include development packages; duplicate request fails.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The package_manager_path should be /usr/bin/dnf.
Why it's wrong here
RHEL8 minimal uses microdnf.
✗
The version field in execution-environment.yml is incorrect.
Why it's wrong here
Version 3 is correct for this format.
✗
The base image name is misspelled.
Why it's wrong here
The image name appears correct.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates assume all build failures are due to syntax errors or misspellings, but Red Hat often tests the nuance of package conflicts between the base image and bindep.txt, which is a common real-world issue in execution environment creation.

Detailed technical explanation

How to think about this question

Ansible Builder processes bindep.txt by invoking the system package manager (e.g., dnf, yum, microdnf) to install the listed packages. If a package like python3-devel is already present in the base image, the package manager may skip reinstallation, but conflicts can arise if the base image's version differs from what bindep.txt expects, or if the package manager's transaction fails due to dependency issues. In practice, using a base image that already contains required packages can lead to subtle failures, especially when the base image is from a different distribution (e.g., UBI vs. CentOS) with different repository metadata.

KKey Concepts to Remember

Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.

TExam Day Tips

Watch for words such as best, first, most likely and least administrative effort.
Review why wrong options are wrong, not only why the correct option is correct.

Key takeaway

Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Real-world example

How this comes up in practice

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

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this EX294 question test?

Create content collections and execution environments — This question tests Create content collections and execution environments — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: The base image already includes python3-devel, causing a conflict with the bindep.txt entry. — The build failure is most likely caused by a conflict between the base image's pre-installed python3-devel package and the bindep.txt entry that also specifies python3-devel. In Ansible Builder, bindep.txt lists system packages to install via dnf, but if the base image already includes that package, the build process may fail due to duplicate or conflicting package manager operations, especially if the base image uses a different package version or repository configuration.

What should I do if I get this EX294 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

Are there clue words in this question I should notice?

Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 30, 2026

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