This AZ-400 practice question tests your understanding of configure processes and communications. 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 wants to automatically assign a code reviewer from a specific security group when a pull request modifies files in a 'security' folder. Which Azure DevOps feature should you use?
Add a required reviewer policy for the branch.
Why wrong: Required reviewers apply to all PRs.
Enable 'Automatically approve' for security group.
Why wrong: Auto-approve skips review.
Code ownership policy with automatic reviewer assignment.
Code ownership can auto-assign based on file patterns.
Branch policy with minimum number of reviewers.
Why wrong: This requires a minimum number but doesn't assign specific reviewers.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Code ownership policy with automatic reviewer assignment.
Option B is correct because code ownership policies allow automatic reviewer assignment based on file paths. Option A is wrong because branch policies are separate. Option C is wrong because auto-approve bypasses review. Option D is wrong because required reviewers are for all PRs, not per folder.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Add a required reviewer policy for the branch.
Why it's wrong here
Required reviewers apply to all PRs.
Enable 'Automatically approve' for security group.
Why it's wrong here
Auto-approve skips review.
Code ownership policy with automatic reviewer assignment.
Why this is correct
Code ownership can auto-assign based on file patterns.
Related concept
Static NAT maps one inside address to one outside address.
Branch policy with minimum number of reviewers.
Why it's wrong here
This requires a minimum number but doesn't assign specific reviewers.
Common exam traps
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
A healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
What to study next
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related AZ-400 NAT questions on configuration and troubleshooting.
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FAQ
Configure processes and communications — This question tests Configure processes and communications — Static NAT maps one inside address to one outside address..
The correct answer is: Code ownership policy with automatic reviewer assignment. — Option B is correct because code ownership policies allow automatic reviewer assignment based on file paths. Option A is wrong because branch policies are separate. Option C is wrong because auto-approve bypasses review. Option D is wrong because required reviewers are for all PRs, not per folder.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related AZ-400 NAT questions on configuration and troubleshooting.
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 20, 2026
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