EX294 Manage automation security and operations Practice Question
This EX294 practice question tests your understanding of manage automation security and operations. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
Exhibit
$ ansible-vault view secret.yml
Vault password:
ERROR! Vault password is incorrect for vault id 'default' at line 1 of secret.yml
Refer to the exhibit. A playbook fails with the above error when using ansible-vault. What is the most likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Exhibit
$ ansible-vault view secret.yml
Vault password:
ERROR! Vault password is incorrect for vault id 'default' at line 1 of secret.yml
A
The file is not encrypted with ansible-vault.
Why wrong: If the file were not encrypted, the error would be 'not a vault encrypted file'.
B
The vault password file is missing.
Why wrong: A missing password file would cause a 'Vault password file not found' error.
C
The vault id used in the playbook does not match the one used to encrypt the file.
The error states 'for vault id default', which suggests the vault id is mismatched.
D
The user does not have read permissions on the file.
Why wrong: Permission issues would result in a 'Permission denied' error.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The vault id used in the playbook does not match the one used to encrypt the file.
The error indicates a vault ID mismatch. When a file is encrypted with a specific vault ID (e.g., `--vault-id prod@prompt`), the playbook must use the same vault ID to decrypt it. If the vault ID used in the playbook (via `--vault-id` or `ansible-vault` command) does not match the one used during encryption, Ansible will fail with a decryption error, even if the password is correct.
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.
✗
The file is not encrypted with ansible-vault.
Why it's wrong here
If the file were not encrypted, the error would be 'not a vault encrypted file'.
✗
The vault password file is missing.
Why it's wrong here
A missing password file would cause a 'Vault password file not found' error.
✓
The vault id used in the playbook does not match the one used to encrypt the file.
Why this is correct
The error states 'for vault id default', which suggests the vault id is mismatched.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The user does not have read permissions on the file.
Why it's wrong here
Permission issues would result in a 'Permission denied' error.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume any vault password error is due to a wrong password or missing file, but the Red Hat RHCE exam specifically tests the vault ID mismatch scenario where the password is correct but the ID label doesn't align.
Detailed technical explanation
How to think about this question
Ansible-vault supports multiple vault IDs (e.g., `dev`, `prod`) to manage separate encrypted secrets. When encrypting with `ansible-vault encrypt --vault-id prod@prompt file.yml`, the vault ID 'prod' is embedded in the encrypted file header. During decryption, Ansible uses the `--vault-id` argument to select the correct password; if the ID doesn't match, it tries all available vault IDs but may fail if none match. This is particularly useful in CI/CD pipelines where different environments use different vault IDs to prevent cross-environment secret leaks.
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 automation security and operations — This question tests Manage automation security and operations — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The vault id used in the playbook does not match the one used to encrypt the file. — The error indicates a vault ID mismatch. When a file is encrypted with a specific vault ID (e.g., `--vault-id prod@prompt`), the playbook must use the same vault ID to decrypt it. If the vault ID used in the playbook (via `--vault-id` or `ansible-vault` command) does not match the one used during encryption, Ansible will fail with a decryption error, even if the password is correct.
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.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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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