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.
Which THREE practices improve the efficiency of code review processes in GitHub?
Allow direct pushes to main for urgent fixes.
Why wrong: Direct pushes bypass review.
Enable required status checks to pass before merging.
Automated checks reduce manual review burden.
Use pull request templates with checklists.
Templates ensure necessary information.
Require at least 5 reviewers for every PR.
Why wrong: Too many reviewers cause delays.
Keep pull requests small and focused.
Small PRs are easier to review.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Enable required status checks to pass before merging.
Option B is correct because enabling required status checks ensures that automated tests, builds, or other validation steps must pass before a pull request can be merged. This enforces quality gates directly in the branch protection rules, preventing broken code from being merged and reducing manual review overhead.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Allow direct pushes to main for urgent fixes.
Why it's wrong here
Direct pushes bypass review.
Enable required status checks to pass before merging.
Why this is correct
Automated checks reduce manual review burden.
Related concept
Read the scenario before looking for a memorised answer.
Use pull request templates with checklists.
Why this is correct
Templates ensure necessary information.
Related concept
Read the scenario before looking for a memorised answer.
Require at least 5 reviewers for every PR.
Why it's wrong here
Too many reviewers cause delays.
Keep pull requests small and focused.
Why this is correct
Small PRs are easier to review.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates may confuse 'efficiency' with 'speed' and choose Option A (direct pushes) to bypass review, but the question asks for practices that improve efficiency of the review process itself, not shortcuts that undermine it.
Detailed technical explanation
GitHub branch protection rules enforce required status checks by polling the commit status API (via the Checks API or older Status API). If a status check fails or is pending, the merge button is disabled. In practice, teams often combine required status checks with linear history or merge queue to prevent stale checks from being bypassed, ensuring that even rebased branches re-run CI before merging.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
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FAQ
Configure processes and communications — This question tests Configure processes and communications — Read the scenario before looking for a memorised answer..
The correct answer is: Enable required status checks to pass before merging. — Option B is correct because enabling required status checks ensures that automated tests, builds, or other validation steps must pass before a pull request can be merged. This enforces quality gates directly in the branch protection rules, preventing broken code from being merged and reducing manual review overhead.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 25, 2026
This AZ-400 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the AZ-400 exam.
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