EX294 Implement advanced Ansible automation Practice Question
This EX294 practice question tests your understanding of implement advanced ansible automation. 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 administrator needs to securely pass a database password to a playbook without exposing it in logs or the command line. Which approach is the most secure?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Store the password in an Ansible Vault-encrypted variable file and include it.
Option A is correct because Ansible Vault encrypts the variable file at rest, and including it via `vars_files` or `include_vars` decrypts it only in memory during playbook execution. This prevents the password from appearing in logs, the command line, or the process table, meeting the security requirement.
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.
✓
Store the password in an Ansible Vault-encrypted variable file and include it.
Why this is correct
Vault encrypts the data, and the vault password is prompted or provided via a vault password file.
Related concept
Read the scenario before looking for a memorised answer.
✗
Set the password in a variable and use 'no_log: true' on tasks that use it.
Why it's wrong here
No_log prevents logging but the variable is still stored in plain text.
✗
Store the password in a host_vars file with restricted file permissions.
Why it's wrong here
File permissions do not encrypt the content.
✗
Prompt for the password and pass it as an extra variable using -e.
Why it's wrong here
Extra variables are visible in the process list and logs.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse `no_log: true` with actual encryption, thinking it hides the secret from all exposure, when in fact it only suppresses output and does not protect the secret from being visible in the process table or module internals.
Detailed technical explanation
How to think about this question
Ansible Vault uses AES-256 encryption (specifically AES-CTR with a PBKDF2-derived key) to encrypt YAML files. When the playbook runs, the vault password is provided via `--ask-vault-pass`, a vault password file, or a vault ID, and decryption occurs in memory only. This approach is recommended by Red Hat for sensitive data like database passwords, as it avoids plaintext storage and transmission, and integrates with Ansible Tower/AWX for centralized secret management.
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.
Implement advanced Ansible automation — This question tests Implement advanced Ansible automation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Store the password in an Ansible Vault-encrypted variable file and include it. — Option A is correct because Ansible Vault encrypts the variable file at rest, and including it via `vars_files` or `include_vars` decrypts it only in memory during playbook execution. This prevents the password from appearing in logs, the command line, or the process table, meeting the security requirement.
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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