EX294 Implement advanced Ansible automation Practice Question
This EX294 practice question tests your understanding of implement advanced ansible automation. 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.
An organization uses Ansible Tower to manage automation across different teams. One team has a job template that uses a custom Python virtual environment located at '/opt/custom_venv' to run a playbook that uses the 'docker_container' module from the 'community.docker' collection. The playbook runs successfully from the command line when using the '--ask-become-pass' option and the virtual environment activated. However, when the team runs the same playbook via the Ansible Tower job template, it fails with an error indicating that the 'docker_container' module is not found. The job template is configured to use the custom virtual environment under the 'CUSTOM VIRTUAL ENVIRONMENT' setting. The team confirms that the virtual environment has the collection installed (verified by running 'ansible-galaxy collection list' inside the venv). 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 Ansible Tower node executing the job does not have the custom virtual environment installed.
Ansible Tower runs jobs on the node where the job template is executed. The custom virtual environment must be present on that node and contain the required collections. Option D is correct because Tower's job runner uses the configured virtual environment, but if the node running the job is not the same as the control node, the venv may not exist or may be incomplete. Option A is incorrect because the venv does have the collection. Option B is incorrect because Tower can use custom venvs. Option C would not fix a missing collection.
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 should use the 'ansible_connection: local' directive to force local execution.
Why it's wrong here
Connection type does not affect module availability.
✓
The Ansible Tower node executing the job does not have the custom virtual environment installed.
Why this is correct
The virtual environment must be present on the execution node.
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 'community.docker' collection was installed in the default system-wide location instead of the custom virtual environment.
Why it's wrong here
The team verified it is installed in the custom venv.
✗
The job template's 'CUSTOM VIRTUAL ENVIRONMENT' setting points to a different path than '/opt/custom_venv'.
Why it's wrong here
The setting is configured correctly.
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.
Implement advanced Ansible automation — This question tests Implement advanced Ansible automation — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: The Ansible Tower node executing the job does not have the custom virtual environment installed. — Ansible Tower runs jobs on the node where the job template is executed. The custom virtual environment must be present on that node and contain the required collections. Option D is correct because Tower's job runner uses the configured virtual environment, but if the node running the job is not the same as the control node, the venv may not exist or may be incomplete. Option A is incorrect because the venv does have the collection. Option B is incorrect because Tower can use custom venvs. Option C would not fix a missing collection.
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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