- A
{{ data | rejectattr('status', 'equalto', 'inactive') | map(attribute='name') | list }}
rejectattr removes entries where status equals 'inactive', then map extracts names.
- B
{{ data | rejectattr('status', 'equalto', 'inactive') | extract('name') | list }}
Why wrong: extract is not a valid filter; map should be used.
- C
{% for item in data if item.status != 'inactive' %}{{ item.name }}{% endfor %}
This loop conditionally includes only active entries and prints names.
- D
{{ data | selectattr('status', 'equalto', 'active') | map(attribute='name') | list }}
selectattr filters where status equals 'active', then map extracts names.
- E
{{ data | selectattr('status != inactive') | map(attribute='name') | list }}
Why wrong: selectattr requires a test like 'equalto', not a direct expression.
EX294 Transform data with filters and plugins Practice Question
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.
An Ansible playbook retrieves a list of dictionaries from an API. Each dictionary has keys 'name', 'status', and 'zone'. The playbook needs to filter out entries where 'status' is 'inactive' and then extract only the 'name' values. Which THREE of the following combinations of filters and loops would achieve this?
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
{{ data | rejectattr('status', 'equalto', 'inactive') | map(attribute='name') | list }}
Option A is correct because `rejectattr` filters out items where `status` equals 'inactive', and then `map(attribute='name')` extracts the `name` values from the remaining dictionaries. The `| list` filter converts the result into a list. This is a standard Jinja2 filter chain in Ansible for filtering and transforming data.
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.
- ✓
{{ data | rejectattr('status', 'equalto', 'inactive') | map(attribute='name') | list }}
Why this is correct
rejectattr removes entries where status equals 'inactive', then map extracts names.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
{{ data | rejectattr('status', 'equalto', 'inactive') | extract('name') | list }}
Why it's wrong here
extract is not a valid filter; map should be used.
- ✓
{% for item in data if item.status != 'inactive' %}{{ item.name }}{% endfor %}
Why this is correct
This loop conditionally includes only active entries and prints names.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
{{ data | selectattr('status', 'equalto', 'active') | map(attribute='name') | list }}
Why this is correct
selectattr filters where status equals 'active', then map extracts names.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
{{ data | selectattr('status != inactive') | map(attribute='name') | list }}
Why it's wrong here
selectattr requires a test like 'equalto', not a direct expression.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse `rejectattr` with `selectattr` or misuse `extract` instead of `map(attribute=...)`, and also assume that `selectattr` can accept inline comparison expressions like `'status != inactive'` when it actually requires a separate test name and argument.
Detailed technical explanation
How to think about this question
Under the hood, `rejectattr` and `selectattr` are Jinja2 filters that use Python's `itertools.filterfalse` and `filter` respectively, applying a test to each item's attribute. The `map` filter with `attribute` argument uses `operator.attrgetter` to efficiently extract the named attribute from each dictionary. In Ansible, these filters are commonly used in `set_fact` or `debug` tasks to process API responses or inventory data.
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
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FAQ
Questions learners often ask
What does this EX294 question test?
Transform data with filters and plugins — This question tests Transform data with filters and plugins — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: {{ data | rejectattr('status', 'equalto', 'inactive') | map(attribute='name') | list }} — Option A is correct because `rejectattr` filters out items where `status` equals 'inactive', and then `map(attribute='name')` extracts the `name` values from the remaining dictionaries. The `| list` filter converts the result into a list. This is a standard Jinja2 filter chain in Ansible for filtering and transforming data.
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.
About these practice questions
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Last reviewed: Jun 11, 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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