AZ-400 Practice Question: Design and implement build and release pipelines
This AZ-400 practice question tests your understanding of design and implement build and release pipelines. 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.
Your build pipeline uses a self-hosted agent. The agent is running low on disk space. You need to clean up the agent's working directory after each build. Which option should you configure in the pipeline?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use the 'clean' parameter in the checkout step of the YAML pipeline.
Option C is correct because setting 'clean: true' in the checkout step ensures the working directory is cleaned before each build. Option A is wrong because the 'workspace' cleanup option in agent configuration is not a pipeline setting. Option B is wrong because 'Delete Files' task is manual and not automatic. Option D is wrong because 'Cleanup' task is not a built-in task.
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.
✗
Set the 'Clean' option to 'Sources' in the pipeline settings.
Why it's wrong here
'Clean' option is not available in pipeline settings; it's in checkout step.
✗
Add a 'Delete Files' task at the end of the pipeline to delete the sources directory.
Why it's wrong here
This would delete after build, not before, and doesn't free space during build.
✗
Add a 'Cleanup' task from the marketplace to clean the agent.
Why it's wrong here
Not a built-in task; unnecessary complexity.
✓
Use the 'clean' parameter in the checkout step of the YAML pipeline.
Why this is correct
Correct: 'clean: true' cleans the working directory before checkout.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-400 question in full detail.
Identify which AZ-400 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Design and implement build and release pipelines — This question tests Design and implement build and release pipelines — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use the 'clean' parameter in the checkout step of the YAML pipeline. — Option C is correct because setting 'clean: true' in the checkout step ensures the working directory is cleaned before each build. Option A is wrong because the 'workspace' cleanup option in agent configuration is not a pipeline setting. Option B is wrong because 'Delete Files' task is manual and not automatic. Option D is wrong because 'Cleanup' task is not a built-in task.
What should I do if I get this AZ-400 question wrong?
Identify which AZ-400 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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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