This EX294 practice question tests your understanding of transform data with filters and plugins. 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.
Given `{{ ['1', '2', '3'] | map('int') | list }}`, what is the result?
An error because 'int' is not a valid filter name.
Why wrong: Incorrect; 'int' is a valid filter.
`[1, 2, 3]`
Correct; map applies int filter to each element.
`['1', '2', '3']` as integers, but stored as strings.
Why wrong: Incorrect; map converts to actual integers.
`['1', '2', '3']`
Why wrong: Incorrect; map('int') converts to integers.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
`[1, 2, 3]`
The `map('int')` filter in Ansible/Jinja2 converts each string element in the list to an integer. The `list` filter then materializes the generator into a list, resulting in `[1, 2, 3]`. Option B is correct because this is the standard behavior of the `map` filter with the `int` function.
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.
An error because 'int' is not a valid filter name.
Why it's wrong here
Incorrect; 'int' is a valid filter.
`[1, 2, 3]`
Why this is correct
Correct; map applies int filter to each element.
Related concept
Read the scenario before looking for a memorised answer.
`['1', '2', '3']` as integers, but stored as strings.
Why it's wrong here
Incorrect; map converts to actual integers.
`['1', '2', '3']`
Why it's wrong here
Incorrect; map('int') converts to integers.
Common exam traps
The trap here is that candidates may think 'int' is a filter name rather than a Python function passed to `map`, or they may forget that `map` returns a generator that must be converted to a list with the `list` filter to see the result.
Detailed technical explanation
The `map` filter applies a Python callable (like `int`, `str`, or `lower`) to each element of a sequence. Under the hood, `map('int')` calls `int()` on each string, which raises a `ValueError` if the string is not a valid integer representation. In real-world playbooks, this is commonly used to normalize data from `vars_prompt` or CSV files where numeric values are read as strings.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
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FAQ
Transform data with filters and plugins — This question tests Transform data with filters and plugins — Read the scenario before looking for a memorised answer..
The correct answer is: `[1, 2, 3]` — The `map('int')` filter in Ansible/Jinja2 converts each string element in the list to an integer. The `list` filter then materializes the generator into a list, resulting in `[1, 2, 3]`. Option B is correct because this is the standard behavior of the `map` filter with the `int` function.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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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