This AZ-400 practice question tests your understanding of design and implement a source control strategy. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 is migrating from TFVC to Git in Azure Repos. You need to preserve the full history of the TFVC repository, including all branches and changesets. The TFVC repository is large (over 10 GB). Which tool should you use to perform the migration?
Manually recreate the commits in a new Git repository.
Why wrong: Does not preserve history.
Use git-tfs to clone the TFVC repository and then push to Azure Repos.
git-tfs preserves history and handles large repos.
Use git-svn to convert TFVC to Git.
Why wrong: git-svn is for SVN, not TFVC.
Use the Azure DevOps Migration Tools to export TFVC to Git.
Why wrong: Those tools are for moving between Azure DevOps instances.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Use git-tfs to clone the TFVC repository and then push to Azure Repos.
B is correct because git-tfs is specifically designed to bridge TFVC and Git, allowing you to clone a TFVC repository (including all branches, changesets, and history) into a local Git repository, which can then be pushed to Azure Repos. It handles large repositories (over 10 GB) by performing an incremental clone, preserving the full history without manual recreation.
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.
Manually recreate the commits in a new Git repository.
Why it's wrong here
Does not preserve history.
Use git-tfs to clone the TFVC repository and then push to Azure Repos.
Why this is correct
git-tfs preserves history and handles large repos.
Related concept
Read the scenario before looking for a memorised answer.
Use git-svn to convert TFVC to Git.
Why it's wrong here
git-svn is for SVN, not TFVC.
Use the Azure DevOps Migration Tools to export TFVC to Git.
Why it's wrong here
Those tools are for moving between Azure DevOps instances.
Common exam traps
The trap here is that candidates confuse git-tfs with git-svn, assuming any 'git-*' tool works for any version control system, but git-svn only works with Subversion, not TFVC.
Detailed technical explanation
git-tfs uses a two-step process: first, it fetches TFVC changesets via the TFS client API, converting each changeset into a Git commit while preserving metadata like author, date, and comment; second, it maps TFVC branches to Git branches using a branch configuration file. For large repositories, git-tfs supports a 'clone' with a '--branches' flag that can handle thousands of changesets, but you must be mindful of the '--ignore-regex' option to exclude large binary files that could bloat the Git repository.
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
Design and implement a source control strategy — This question tests Design and implement a source control strategy — Read the scenario before looking for a memorised answer..
The correct answer is: Use git-tfs to clone the TFVC repository and then push to Azure Repos. — B is correct because git-tfs is specifically designed to bridge TFVC and Git, allowing you to clone a TFVC repository (including all branches, changesets, and history) into a local Git repository, which can then be pushed to Azure Repos. It handles large repositories (over 10 GB) by performing an incremental clone, preserving the full history without manual recreation.
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
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