EX294 Manage inventories and credentials Practice Question
This EX294 practice question tests your understanding of manage inventories and credentials. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 playbook requires a secret token that changes every hour. The token is stored in a password vault. Which setting should be used to have Tower retrieve the token at runtime?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use a custom credential type that injects the vault lookup result.
Option A is correct because Ansible Tower (now Red Hat Ansible Automation Platform) supports custom credential types that can define input and injector configurations. By using a custom credential type with an injector that includes a lookup plugin (e.g., `{{ lookup('hashi_vault', 'secret/data/token') }}`), Tower can retrieve the secret token from a password vault (like HashiCorp Vault) at runtime, ensuring the token is always current without hard-coding or manual updates.
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.
✓
Use a custom credential type that injects the vault lookup result.
Why this is correct
Custom credential types can be configured to look up secrets dynamically.
Related concept
Read the scenario before looking for a memorised answer.
✗
Hard-code the token in the playbook.
Why it's wrong here
Hard-coding is insecure and requires playbook changes.
✗
Store the token in extra_vars on the job template.
Why it's wrong here
extra_vars are static and would need manual updates.
✗
Store the token in the project as a file.
Why it's wrong here
Projects are for source control, not for runtime secrets.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may think extra_vars or project files are dynamic enough for runtime secret retrieval, but they fail to recognize that only custom credential types with lookup plugins can fetch secrets from an external vault at job execution time, not at job template definition time.
Detailed technical explanation
How to think about this question
Custom credential types in Ansible Tower use a JSON schema for inputs and a Jinja2 template for injectors, allowing integration with external secret stores via lookup plugins like `hashi_vault` (for HashiCorp Vault) or `cyberarkpassword`. The injector template can set environment variables or Ansible variables at runtime, enabling the playbook to use the token without exposing it in logs or job templates. In real-world scenarios, this is critical for environments where tokens rotate frequently, such as API keys or database passwords, ensuring zero-touch automation.
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.
Manage inventories and credentials — This question tests Manage inventories and credentials — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use a custom credential type that injects the vault lookup result. — Option A is correct because Ansible Tower (now Red Hat Ansible Automation Platform) supports custom credential types that can define input and injector configurations. By using a custom credential type with an injector that includes a lookup plugin (e.g., `{{ lookup('hashi_vault', 'secret/data/token') }}`), Tower can retrieve the secret token from a password vault (like HashiCorp Vault) at runtime, ensuring the token is always current without hard-coding or manual updates.
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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Question Discussion
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