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. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
A company uses Azure DevOps and needs to ensure that all pipelines use approved YAML templates from a central repository. The security team wants to prevent developers from referencing unapproved templates. What is the best way to enforce this?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Set the 'Required template' repository setting in the Azure DevOps project to the approved central repository.
Option D is correct because the 'Required template' repository setting in Azure DevOps enforces that all pipelines must use a YAML template from a specified central repository. If a pipeline references a template from any other location, the pipeline will fail at runtime, providing a hard enforcement mechanism that cannot be bypassed by developers. This directly addresses the security team's requirement to prevent unapproved template references.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Create a branch policy on the repository that requires all pull requests to be approved by security team members.
Why it's wrong here
Branch policies do not control which templates are used in pipelines.
✗
Configure a variable group with the approved template repository and require it in all pipelines.
Why it's wrong here
Variable groups cannot enforce template source.
✗
Use a pipeline decorator to check the template origin and fail the pipeline if unapproved.
Why it's wrong here
While possible, this is not the built-in, simplest method.
✓
Set the 'Required template' repository setting in the Azure DevOps project to the approved central repository.
Why this is correct
This built-in setting enforces that all YAML templates must come from the specified repository.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse pipeline decorators (which are custom and optional) with native enforcement settings, or they assume branch policies can control template references, when in fact only the 'Required template' setting provides a hard, built-in block at the pipeline level.
Detailed technical explanation
How to think about this question
The 'Required template' setting works by injecting a pre-execution validation step in the pipeline run that checks the source of every referenced YAML template against the allowed repository. If the template is not from the approved repository, the pipeline fails with a specific error message before any tasks execute. This setting is configured at the project level under Pipeline settings and applies to all pipelines in the project, making it a centralized, no-code enforcement point.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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. 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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-400 question in full detail.
Develop a security and compliance plan — This question tests Develop a security and compliance plan — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Set the 'Required template' repository setting in the Azure DevOps project to the approved central repository. — Option D is correct because the 'Required template' repository setting in Azure DevOps enforces that all pipelines must use a YAML template from a specified central repository. If a pipeline references a template from any other location, the pipeline will fail at runtime, providing a hard enforcement mechanism that cannot be bypassed by developers. This directly addresses the security team's requirement to prevent unapproved template references.
What should I do if I get this AZ-400 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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