AZ-400 Configure processes and communications Practice Question
This AZ-400 practice question tests your understanding of configure processes and communications. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 team uses Azure Repos with a Git branching strategy that includes feature branches. They want to ensure that all feature branches are deleted automatically after the pull request is completed. What should they do?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Enable 'Automatically delete source branch' in the branch policy.
Option A is correct because Azure Repos branch policies include an 'Automatically delete source branch' checkbox. When enabled, the source branch (e.g., a feature branch) is automatically deleted once the pull request is completed (merged or abandoned). This enforces cleanup without manual intervention, directly meeting the 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.
✓
Enable 'Automatically delete source branch' in the branch policy.
Why this is correct
This deletes the source branch after the PR is completed.
Related concept
Read the scenario before looking for a memorised answer.
✗
Enable 'Create a merge commit' option in the branch policy.
Why it's wrong here
This option changes merge strategy, not branch deletion.
✗
Configure branch retention policy in the pipeline to delete branches after build.
Why it's wrong here
Retention policies delete old runs, not branches.
✗
Create a work item to remind developers to delete branches after merge.
Why it's wrong here
This is not automated enforcement.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse pipeline retention policies (which manage build artifacts) with Git branch management, or assume that a manual work item is sufficient for automation, when Azure Repos provides a direct built-in setting for automatic branch deletion.
Detailed technical explanation
How to think about this question
Under the hood, when 'Automatically delete source branch' is enabled, Azure Repos triggers a server-side hook upon pull request completion that executes a `git push origin --delete <branch>` operation. This ensures the branch is removed from the remote repository immediately, preventing stale branches from accumulating. A subtle behavior: if the source branch is protected by a branch policy, the deletion will fail unless the policy is overridden or the branch is not protected.
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 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.
Configure processes and communications — This question tests Configure processes and communications — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Enable 'Automatically delete source branch' in the branch policy. — Option A is correct because Azure Repos branch policies include an 'Automatically delete source branch' checkbox. When enabled, the source branch (e.g., a feature branch) is automatically deleted once the pull request is completed (merged or abandoned). This enforces cleanup without manual intervention, directly meeting the requirement.
What should I do if I get this AZ-400 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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