Question 168 of 528
Implement advanced Ansible automationmediumMultiple SelectObjective-mapped

EX294 Implement advanced Ansible automation Practice Question

This EX294 practice question tests your understanding of implement advanced ansible automation. 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.

Which three of the following are valid methods to pass variables to an Ansible playbook at runtime? (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

Using '--extra-vars' command line option.

Option A is correct because the `--extra-vars` (or `-e`) command-line option allows you to pass variables directly to an Ansible playbook at runtime. This overrides any previously defined variables and can accept key=value pairs or load from JSON/YAML files, making it the primary method for runtime variable injection.

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.

  • Using '--extra-vars' command line option.

    Why this is correct

    Correct: This directly passes variables or file paths.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Using '--ask-vault-pass' and storing variables in encrypted files.

    Why it's wrong here

    Incorrect: This is for vault password, not variable passing.

  • Using 'environment' directive in the playbook.

    Why it's wrong here

    Incorrect: environment sets environment variables for tasks, not Ansible variables.

  • Using 'vars_prompt' in the playbook.

    Why this is correct

    Correct: vars_prompt prompts for variable input at runtime.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Using '-e @file' to load variables from a JSON file.

    Why this is correct

    Correct: This loads variables from a file.

    Related concept

    Read the scenario before looking for a memorised answer.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is confusing variable injection methods with authentication or environment configuration; candidates often mistake `--ask-vault-pass` or `environment` for runtime variable passing, when they serve entirely different purposes in Ansible's architecture.

Detailed technical explanation

How to think about this question

The `--extra-vars` option accepts variables in `key=value` format or via `@file` to load from JSON/YAML files, and these variables have the highest precedence in Ansible's variable precedence order (overriding even `vars` in the playbook). This is critical in CI/CD pipelines where dynamic values like build numbers or environment names must be injected without modifying the playbook source. The `vars_prompt` directive (Option D) is another valid runtime method that interactively prompts the user for variable input during playbook execution, useful for sensitive or ad-hoc values.

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 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 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?

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: Using '--extra-vars' command line option. — Option A is correct because the `--extra-vars` (or `-e`) command-line option allows you to pass variables directly to an Ansible playbook at runtime. This overrides any previously defined variables and can accept key=value pairs or load from JSON/YAML files, making it the primary method for runtime variable injection.

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.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jul 4, 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.