AZ-400 Configure processes and communications Practice Question
This AZ-400 practice question tests your understanding of configure processes and communications. 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 team uses a monorepo in Azure Repos. You want to enforce that every PR to the main branch includes a work item link and a specific label. Which branch policy should you configure?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Required status check (using a custom build pipeline)
Option C is correct because Azure Repos branch policies allow you to enforce 'Required status checks' that can invoke a custom build pipeline. This pipeline can run a script to verify that the PR contains a work item link and a specific label, and fail the check if those conditions are not met. The other options either lack the ability to enforce both conditions or are not designed for custom validation logic.
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.
✗
Comment requirements
Why it's wrong here
Comment requirements are not a native branch policy in Azure Repos.
✗
Check for linked work items
Why it's wrong here
This policy checks for linked work items but does not enforce labels.
✓
Required status check (using a custom build pipeline)
Why this is correct
A custom build pipeline can verify work item links and labels, and the required status check enforces it.
Related concept
Read the scenario before looking for a memorised answer.
✗
Build validation
Why it's wrong here
Build validation only runs a build; it does not check work item links or labels unless you write custom logic.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse 'Build validation' with 'Required status check', not realizing that 'Build validation' only ensures the code compiles and tests pass, while 'Required status check' is the policy type that allows you to enforce a custom pipeline that can validate arbitrary PR metadata like work item links and labels.
Detailed technical explanation
How to think about this question
Under the hood, Azure Repos branch policies use the Azure DevOps REST API to evaluate PR conditions. A custom build pipeline used as a required status check can leverage the `System.PullRequest.PullRequestId` variable to query the PR's work item links and labels via the `Pull Request Labels - List` and `Work Items - List` endpoints. In a real-world scenario, you might use a YAML pipeline with a PowerShell script that calls `Invoke-RestMethod` to check for a specific label like 'release-ready' and at least one linked work item, then sets the status to 'succeeded' or 'failed' accordingly.
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: Required status check (using a custom build pipeline) — Option C is correct because Azure Repos branch policies allow you to enforce 'Required status checks' that can invoke a custom build pipeline. This pipeline can run a script to verify that the PR contains a work item link and a specific label, and fail the check if those conditions are not met. The other options either lack the ability to enforce both conditions or are not designed for custom validation logic.
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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