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.
A security team requires that all passwords in an Ansible vault be encrypted with a different key from the host variables. They want to use a custom lookup plugin that fetches secrets from an external API. Which plugin type should be developed?
Lookup plugin
Lookup plugins are the correct way to fetch data from external sources like APIs.
Module
Why wrong: Modules are used for system state changes, not for fetching secrets.
Action plugin
Why wrong: Action plugins execute on the controller but are not meant for data retrieval from external APIs.
Filter plugin
Why wrong: Filter plugins transform data in Jinja2 expressions, not for external lookups.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Lookup plugin
A lookup plugin is the correct choice because it is designed to retrieve data from external sources (like an API) and return it as a string or list for use in Ansible playbooks. This aligns with the requirement to fetch secrets from an external API, and lookup plugins can be used directly in variables or templates without modifying the host state.
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.
Lookup plugin
Why this is correct
Lookup plugins are the correct way to fetch data from external sources like APIs.
Related concept
Read the scenario before looking for a memorised answer.
Module
Why it's wrong here
Modules are used for system state changes, not for fetching secrets.
Action plugin
Why it's wrong here
Action plugins execute on the controller but are not meant for data retrieval from external APIs.
Filter plugin
Why it's wrong here
Filter plugins transform data in Jinja2 expressions, not for external lookups.
Common exam traps
The trap here is that candidates often confuse lookup plugins with modules, thinking that any external interaction requires a module, but modules are for remote host actions, while lookups are for controller-side data retrieval.
Detailed technical explanation
Lookup plugins in Ansible are implemented as Python classes that inherit from `ansible.plugins.lookup.LookupBase` and must implement a `run()` method that returns a list of results. They are invoked using the `lookup()` Jinja2 function or the `{{ lookup('plugin_name', 'args') }}` syntax, and they run on the control node, making them ideal for integrating with external APIs or vault services like HashiCorp Vault. A common real-world scenario is using a custom lookup plugin to retrieve database passwords from a secrets manager, ensuring they are never stored in plaintext in playbooks or variables.
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: Lookup plugin — A lookup plugin is the correct choice because it is designed to retrieve data from external sources (like an API) and return it as a string or list for use in Ansible playbooks. This aligns with the requirement to fetch secrets from an external API, and lookup plugins can be used directly in variables or templates without modifying the host state.
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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