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.
An organization uses Azure DevOps and wants to implement a change management process where all changes to the main branch require approval from a change advisory board (CAB). The CAB members are not part of the development team. How should they configure this?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a new branch policy on main that requires a minimum number of reviewers from a separate CAB group.
Option B is correct because Azure DevOps branch policies allow you to enforce a minimum number of reviewers from a specific security group (e.g., a CAB group) on pull requests targeting the main branch. This ensures that every change to main requires explicit approval from CAB members, who are separate from the development team, without relying on manual processes or altering team membership.
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 branch permissions to restrict push to main and only allow CAB to approve via manual process.
Why it's wrong here
Permissions alone don't enforce a required number of approvals.
✓
Create a new branch policy on main that requires a minimum number of reviewers from a separate CAB group.
Why this is correct
Branch policies can require specific reviewers or groups.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use a service hook to notify CAB when a PR is created, and rely on manual approval.
Why it's wrong here
Service hooks don't enforce approvals.
✗
Add the CAB as members of the development team and require team review.
Why it's wrong here
Adding CAB to team may not be appropriate; also team review includes developers.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse branch permissions (which control who can push) with branch policies (which control the review process), leading them to choose Option A instead of the correct policy-based solution.
Detailed technical explanation
How to think about this question
Azure DevOps branch policies are evaluated at pull request completion time and can require a minimum number of reviewers from a specified group, with options to reset votes on new pushes. The policy is enforced server-side, preventing merge until the required approvals are met, and it integrates with Azure AD groups for centralized identity management. In a real-world scenario, this ensures compliance with ITIL change management by providing an auditable trail of CAB approvals directly in the PR history.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
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: Create a new branch policy on main that requires a minimum number of reviewers from a separate CAB group. — Option B is correct because Azure DevOps branch policies allow you to enforce a minimum number of reviewers from a specific security group (e.g., a CAB group) on pull requests targeting the main branch. This ensures that every change to main requires explicit approval from CAB members, who are separate from the development team, without relying on manual processes or altering team membership.
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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