Question 350 of 518
Implement advanced Ansible automationhardMultiple ChoiceObjective-mapped

EX294 Implement advanced Ansible automation Practice Question

This EX294 practice question tests your understanding of implement advanced ansible automation. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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

# cat vars.yml
---
packages:
  - httpd
  - mariadb-server
  - php

# cat playbook.yml
- hosts: all
  vars_files:
    - vars.yml
  tasks:
    - name: Install packages
      yum:
        name: "{{ packages }}"
        state: present
      become: yes

# ansible-playbook playbook.yml

PLAY [all] *********************************************************************
TASK [Gathering Facts] *********************************************************
ok: [server1]
TASK [Install packages] ********************************************************
fatal: [server1]: FAILED! => {"changed": false, "msg": "This module requires a list of package names or a comma-separated string.", "results": []}

Refer to the exhibit. The playbook fails with an error about the package list. What is the issue?

Question 1hardmultiple choice
Read the full Ansible explanation →

Exhibit

# cat vars.yml
---
packages:
  - httpd
  - mariadb-server
  - php

# cat playbook.yml
- hosts: all
  vars_files:
    - vars.yml
  tasks:
    - name: Install packages
      yum:
        name: "{{ packages }}"
        state: present
      become: yes

# ansible-playbook playbook.yml

PLAY [all] *********************************************************************
TASK [Gathering Facts] *********************************************************
ok: [server1]
TASK [Install packages] ********************************************************
fatal: [server1]: FAILED! => {"changed": false, "msg": "This module requires a list of package names or a comma-separated string.", "results": []}

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 variable 'packages' is being converted to a string by the Jinja2 template, resulting in a list literal string.

The yum module expects a list of strings or a comma-separated string. The variable 'packages' is a list, but when used with 'name: "{{ packages }}"', Jinja2 converts it to a string representation like "['httpd', 'mariadb-server', 'php']". The yum module does not accept that format; it needs a proper list or comma-separated string.

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 variable 'packages' is not accessible because it is defined in a vars_file.

    Why it's wrong here

    vars_files work correctly; the variable is accessible.

  • The variable 'packages' is being converted to a string by the Jinja2 template, resulting in a list literal string.

    Why this is correct

    Using "{{ packages }}" produces a string representation of the list. The correct approach is to use `name: "{{ item }}"` with a loop or pass the list directly without quotes.

    Related concept

    Read the scenario before looking for a memorised answer.

  • The 'yum' module requires the 'name' parameter to be a comma-separated string, not a list.

    Why it's wrong here

    The yum module can accept a list, but the template converts it to a Python list representation.

  • The 'yum' module should use 'pkg' instead of 'name'.

    Why it's wrong here

    The correct parameter is 'name'.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.

Detailed technical explanation

How to think about this question

This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.

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.
  • Use explanations to understand the rule behind the answer.

TExam Day Tips

  • Underline the problem statement mentally.
  • 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 practitioner preparing for the EX294 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.

What to study next

Got this wrong? Here's your next step.

Identify which EX294 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

Related practice questions

Related EX294 practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

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FAQ

Questions learners often ask

What does this EX294 question test?

Implement advanced Ansible automation — This question tests Implement advanced Ansible automation — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: The variable 'packages' is being converted to a string by the Jinja2 template, resulting in a list literal string. — The yum module expects a list of strings or a comma-separated string. The variable 'packages' is a list, but when used with 'name: "{{ packages }}"', Jinja2 converts it to a string representation like "['httpd', 'mariadb-server', 'php']". The yum module does not accept that format; it needs a proper list or comma-separated string.

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

Identify which EX294 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 25, 2026

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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.