AZ-400 Practice Question: Design and implement build and release pipelines
This AZ-400 practice question tests your understanding of design and implement build and release pipelines. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 organization uses GitHub Actions for CI/CD. You need to enforce branch protection rules and ensure that all pull requests to the main branch require a successful status check from a specific workflow. Which TWO actions should you take? (Choose two.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Add a workflow to the repository that runs tests and reports a conclusion status.
Option A is correct: Add a workflow that runs tests and reports a status. Option D is correct: Configure branch protection rules to require status checks. Option B is incorrect: GitHub environments are for deployment protection, not branch protection. Option C is incorrect: Branch policies are an Azure Repos feature, not GitHub. Option E is incorrect: Repository rulesets are an alternative but 'require status checks' is a branch protection setting.
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
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Configure a GitHub environment with required reviewers.
Why it's wrong here
Environments control deployments, not branch protection.
✓
Add a workflow to the repository that runs tests and reports a conclusion status.
Why this is correct
The workflow provides the status check that can be required.
Related concept
Static NAT maps one inside address to one outside address.
✗
Use a repository ruleset to require status checks.
Why it's wrong here
Repository rulesets are a feature but branch protection rules are the direct way to require status checks.
✗
Set up branch policies in Azure Repos for the main branch.
Why it's wrong here
Azure Repos is not used; the question refers to GitHub.
✓
In the repository settings, enable 'Require status checks to pass before merging' under branch protection rules.
Why this is correct
This enforces the status check from the workflow.
Related concept
Static NAT maps one inside address to one outside address.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
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
How to think about this question
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.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
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
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. NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-400 question in full detail.
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.
Design and implement build and release pipelines — This question tests Design and implement build and release pipelines — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Add a workflow to the repository that runs tests and reports a conclusion status. — Option A is correct: Add a workflow that runs tests and reports a status. Option D is correct: Configure branch protection rules to require status checks. Option B is incorrect: GitHub environments are for deployment protection, not branch protection. Option C is incorrect: Branch policies are an Azure Repos feature, not GitHub. Option E is incorrect: Repository rulesets are an alternative but 'require status checks' is a branch protection setting.
What should I do if I get this AZ-400 question wrong?
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.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Question Discussion
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