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.
A systems administrator at a growing company uses Red Hat Ansible Automation Platform to manage configuration of web servers. They have a job template named 'Web Server Config' that runs a playbook to apply security hardening. The playbook includes variables encrypted with Ansible Vault using the default vault ID. The administrator has created a credential of type 'Ansible Vault Password' in Automation Controller and assigned it to the job template. When the job runs, it fails with the error: 'Decryption failed (no vault secrets would be found that would decrypt)'. However, other job templates that use the same vault credential run successfully. The administrator checks that the vault password is correct and that the credential is properly assigned. They also verify that the playbook's path is correct and the inventory is populated. What is the most likely cause of the failure?
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.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The playbook references a different vault id than the one in the credential.
Since other job templates with the same credential succeed, the credential is valid and assigned. The error 'no vault secrets would be found' typically occurs when the playbook references a vault id that was not provided. The most likely cause is a vault id mismatch between the playbook and the credential.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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 playbook references a different vault id than the one in the credential.
Why this is correct
The error indicates no vault secrets found, meaning the vault id in the playbook does not match any provided vault secret.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Static NAT maps one inside address to one outside address.
✗
The playbook has a syntax error.
Why it's wrong here
A syntax error would produce a different error message, not a decryption failure.
✗
The vault password file is missing from the controller.
Why it's wrong here
If the file were missing, all templates using that credential would fail.
✗
The vault credential is not assigned to this specific job template.
Why it's wrong here
If the credential were not assigned, the error would be about missing credential, not decryption failure.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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
Got this wrong? Here's your next step.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related EX294 NAT questions on configuration and troubleshooting.
Manage automation security and operations — This question tests Manage automation security and operations — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: The playbook references a different vault id than the one in the credential. — Since other job templates with the same credential succeed, the credential is valid and assigned. The error 'no vault secrets would be found' typically occurs when the playbook references a vault id that was not provided. The most likely cause is a vault id mismatch between the playbook and the credential.
What should I do if I get this EX294 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related EX294 NAT questions on configuration and troubleshooting.
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?
Static NAT maps one inside address to one outside address.
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