- A
Configure a branch protection rule on main that requires a pull request to merge into develop.
Why wrong: Branch protection rules enforce policies but do not automate merges.
- B
Create a GitHub Actions workflow that triggers on push to main, attempts to merge main into develop, and if conflicts occur, opens a pull request for manual resolution.
This automates the merge and handles conflicts with a PR.
- C
Create a scheduled workflow that runs daily and merges main into develop if there are no conflicts.
Why wrong: Scheduled runs may not align with release timing and could cause unwanted merges.
- D
Set up a webhook in GitHub that calls an Azure Function to merge main into develop.
Why wrong: A webhook can trigger a function but does not include conflict handling logic by default.
AZ-400 Configure processes and communications Practice Question
This AZ-400 practice question tests your understanding of configure processes and communications. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
You are a DevOps engineer for a large enterprise that uses GitHub Enterprise Cloud. The development team follows a GitFlow branching strategy with develop, feature, release, and main branches. The release branch is created from develop when a release is ready. After testing, the release branch is merged into main and then tagged. However, the team frequently forgets to merge release branches back into develop, causing hotfixes applied to main to not be in develop. You need to implement an automated process to ensure that after a release branch is merged into main, the changes are also merged back into develop. The solution must not require manual intervention and must handle merge conflicts gracefully by opening a pull request for conflict resolution. Which approach should you use?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Create a GitHub Actions workflow that triggers on push to main, attempts to merge main into develop, and if conflicts occur, opens a pull request for manual resolution.
Option B is correct because it uses a GitHub Actions workflow triggered on pushes to main to automatically merge main into develop. If conflicts arise, the workflow opens a pull request for manual resolution, ensuring no changes are lost and the process remains automated without manual intervention.
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.
- ✗
Configure a branch protection rule on main that requires a pull request to merge into develop.
Why it's wrong here
Branch protection rules enforce policies but do not automate merges.
- ✓
Create a GitHub Actions workflow that triggers on push to main, attempts to merge main into develop, and if conflicts occur, opens a pull request for manual resolution.
Why this is correct
This automates the merge and handles conflicts with a PR.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Create a scheduled workflow that runs daily and merges main into develop if there are no conflicts.
Why it's wrong here
Scheduled runs may not align with release timing and could cause unwanted merges.
- ✗
Set up a webhook in GitHub that calls an Azure Function to merge main into develop.
Why it's wrong here
A webhook can trigger a function but does not include conflict handling logic by default.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may choose a scheduled workflow (Option C) thinking it is sufficient, but it fails to handle merges that occur between scheduled runs and does not gracefully manage merge conflicts by opening a pull request.
Detailed technical explanation
How to think about this question
GitHub Actions workflows can use the `git merge` command with the `--no-commit` and `--no-ff` flags to attempt a merge and detect conflicts. When conflicts are detected, the workflow can create a pull request using the GitHub API with a `POST /repos/{owner}/{repo}/pulls` endpoint, allowing developers to resolve conflicts manually while maintaining an audit trail. This approach ensures that the release branch changes are always propagated back to develop, preventing divergence that could cause hotfix issues.
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.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this AZ-400 question test?
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 GitHub Actions workflow that triggers on push to main, attempts to merge main into develop, and if conflicts occur, opens a pull request for manual resolution. — Option B is correct because it uses a GitHub Actions workflow triggered on pushes to main to automatically merge main into develop. If conflicts arise, the workflow opens a pull request for manual resolution, ensuring no changes are lost and the process remains automated without manual intervention.
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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Last reviewed: Jun 25, 2026
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