AZ-400 Develop a security and compliance plan Practice Question
This AZ-400 practice question tests your understanding of develop a security and compliance plan. 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.
You are designing a security compliance plan for Azure Pipelines. The plan must ensure that all pipelines: (1) run on Microsoft-hosted agents in a specific geo-region, (2) use approved Docker images from a private Azure Container Registry, and (3) enforce that pipeline variables containing secrets are never logged. Which combination of Azure DevOps features should you use?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "never"
Why it matters: Absolute qualifier. True only if the statement has zero exceptions — be cautious of options that seem obvious but break down in edge cases.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Agent pools with geo-filtering, Azure Policy for Repos to restrict image sources, and secret variables with 'Logging command' disabled
Option D (Agent pools with geo-filtering, Azure Policy for Repos to restrict image sources, and secret variables with 'Logging command' disabled) is correct. Agent pools can be scoped to a specific geography. Azure Policy for Repos can enforce that pipelines only use approved container registries. Secret variables in Azure Pipelines have an option to 'Allow at runtime' and can be marked as secret to prevent logging. Option A uses Azure Policy for Pipelines (not a real feature). Option B's compliance gates are for release pipelines, not build. Option C's Access reviews are for user permissions, not image sources.
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.
✗
Compliance gates in release pipelines, service connections, and audit logs
Why it's wrong here
Compliance gates do not control image sources or agent geography.
✓
Agent pools with geo-filtering, Azure Policy for Repos to restrict image sources, and secret variables with 'Logging command' disabled
Why this is correct
This combination addresses all three requirements.
Clue confirmation
The clue word "never" in the question point toward this answer.
Related concept
Static NAT maps one inside address to one outside address.
✗
Entra ID Conditional Access, Azure Container Registry firewall, and pipeline decorators
Why it's wrong here
Conditional Access controls user access, not pipeline configuration.
✗
Azure Policy for Pipelines, secret variables, and geo-restricted agent pools
Why it's wrong here
Azure Policy for Pipelines is not a real feature.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
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.
Develop a security and compliance plan — This question tests Develop a security and compliance plan — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Agent pools with geo-filtering, Azure Policy for Repos to restrict image sources, and secret variables with 'Logging command' disabled — Option D (Agent pools with geo-filtering, Azure Policy for Repos to restrict image sources, and secret variables with 'Logging command' disabled) is correct. Agent pools can be scoped to a specific geography. Azure Policy for Repos can enforce that pipelines only use approved container registries. Secret variables in Azure Pipelines have an option to 'Allow at runtime' and can be marked as secret to prevent logging. Option A uses Azure Policy for Pipelines (not a real feature). Option B's compliance gates are for release pipelines, not build. Option C's Access reviews are for user permissions, not image sources.
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.
Are there clue words in this question I should notice?
Yes — watch for: "never". Absolute qualifier. True only if the statement has zero exceptions — be cautious of options that seem obvious but break down in edge cases.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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