20+ practice questions focused on Design and implement a source control strategy — one of the most tested topics on the Microsoft Azure DevOps Engineer Expert AZ-400 exam. Each question includes a detailed explanation so you learn why the right answer is correct.
Start Design and implement a source control strategy PracticeYour team uses a monorepo in Azure Repos with multiple feature branches. You notice that merge conflicts frequently occur because developers are working on the same files. You want to reduce conflicts and improve collaboration. Which branching strategy should you recommend?
Explanation: Option C is correct because feature flags allow developers to merge incomplete features into the main branch without affecting users, reducing long-lived branches and conflicts. Option A is wrong because GitFlow has long-lived branches that increase conflict risk. Option B is wrong because trunk-based development with short-lived branches is the recommended approach. Option D is wrong because release branches do not reduce conflicts on the main branch.
Your company is migrating from TFVC to Git in Azure Repos. The repository contains a large number of binary files (e.g., .dll, .exe) that are frequently updated. You need to minimize repository size and clone time. What should you include in your migration plan?
Explanation: Option B is correct because Git LFS (Large File Storage) replaces large binary files in the repository with lightweight text pointers, storing the actual binary content in external storage. This prevents the repository from bloating with frequently updated binaries, reducing clone time and repository size since only the pointers are cloned.
You have a GitHub repository with a GitHub Actions workflow that builds a .NET application. The workflow should only run when changes are pushed to the main branch, but it currently runs on every push to any branch. How should you fix the workflow trigger?
Explanation: Option D is correct because the GitHub Actions workflow syntax to restrict a push trigger to a specific branch uses `on: push: branches: [main]`. This ensures the workflow only executes when commits are pushed to the main branch, not on pushes to any other branch.
You are reviewing a webhook payload from Azure Repos. The payload indicates that a new branch named 'feature-123' was created. Which event type triggered this webhook?
Explanation: The webhook payload explicitly indicates that a new branch named 'feature-123' was created. In Azure Repos, the event type that corresponds to this action is 'New branch creation' (also known as 'Push' with a new ref). This event fires when a new branch reference is pushed to the remote repository, which is exactly what happened here.
You see the above git log output. The team has a policy requiring linear history on the main branch. Which command should be used next time to integrate the feature branch?
Explanation: Option D is correct because the team requires a linear history on the main branch. By first rebasing the feature branch onto main (`git rebase main feature/login`), you reapply the feature commits on top of the latest main commit, creating a clean, linear sequence. Then `git merge --ff-only` performs a fast-forward merge, which simply moves the main branch pointer forward without creating a merge commit, preserving the linear history policy.
+15 more Design and implement a source control strategy questions available
Practice all Design and implement a source control strategy questions1. Baseline your knowledge
Start with 10 questions to gauge your current understanding of Design and implement a source control strategy. This tells you whether you need a concept refresher or just practice.
2. Review every explanation
For each question — right or wrong — read the full explanation. Understanding why an answer is correct is more valuable than knowing the answer itself.
3. Focus on exam traps
Design and implement a source control strategy questions on the AZ-400 frequently use trap wording. Look for subtle differences in answers that test your precision, not just general knowledge.
4. Reach 80% consistently
Do repeated sessions until you score 80%+ three times in a row. Then move to mixed-mode practice to test cross-topic recall under realistic conditions.
The exact number varies per candidate. Design and implement a source control strategy is tested as part of the Microsoft Azure DevOps Engineer Expert AZ-400 blueprint. Practicing with targeted Design and implement a source control strategy questions ensures you can handle any format or difficulty that appears.
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Difficulty is subjective, but Design and implement a source control strategy is a high-priority exam concept tested in multiple ways — direct recall, scenario analysis, and command-output interpretation. Consistent practice is the best way to build confidence.
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