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.
Network Topology
Refer to the exhibit. A release is created with the above command. The Dev environment starts deploying, but the Prod environment does not. Which is the most likely reason?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Network Topology
A
The Prod environment requires manual approval before deployment.
Why wrong: The 'preDeployApprovals' array is empty, indicating no approval gates are configured.
B
The release definition ID 5 is incorrect.
Why wrong: The release was created successfully, so the definition ID is valid.
C
The Prod environment has a pre-deployment condition that waits for the Dev environment to succeed.
By default, release environments can be set to deploy only after previous environments succeed, which would cause Prod to wait for Dev.
D
The build artifact with ID 123 is not accessible.
Why wrong: If the artifact were inaccessible, the Dev environment would also fail, not just Prod.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The Prod environment has a pre-deployment condition that waits for the Dev environment to succeed.
Option C is correct because the exhibit shows a release pipeline with a sequential deployment strategy where the Prod environment has a pre-deployment condition configured to wait for the Dev environment to succeed. In Azure DevOps, pre-deployment conditions can be set to trigger only after a specific environment (like Dev) completes successfully. Since the Dev environment is still deploying, the Prod environment remains in a waiting state and does not start.
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.
✗
The Prod environment requires manual approval before deployment.
Why it's wrong here
The 'preDeployApprovals' array is empty, indicating no approval gates are configured.
✗
The release definition ID 5 is incorrect.
Why it's wrong here
The release was created successfully, so the definition ID is valid.
✓
The Prod environment has a pre-deployment condition that waits for the Dev environment to succeed.
Why this is correct
By default, release environments can be set to deploy only after previous environments succeed, which would cause Prod to wait for Dev.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The build artifact with ID 123 is not accessible.
Why it's wrong here
If the artifact were inaccessible, the Dev environment would also fail, not just Prod.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The AZ-400 exam often tests the distinction between manual approval and sequential environment dependencies, where candidates mistakenly assume a missing approval gate when the real issue is a pre-deployment condition waiting for a prior environment to succeed.
Detailed technical explanation
How to think about this question
In Azure DevOps release pipelines, pre-deployment conditions can include triggers like 'After release' or 'After environment' (e.g., Dev). When set to 'After environment', the pipeline uses a state machine to track environment completion status; the Prod deployment will not start until the Dev environment's deployment job reaches a 'Succeeded' state. This is implemented via the REST API calls to the Release Management service, which checks the environment status before queuing the next deployment.
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 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.
Design and implement build and release pipelines — This question tests Design and implement build and release pipelines — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The Prod environment has a pre-deployment condition that waits for the Dev environment to succeed. — Option C is correct because the exhibit shows a release pipeline with a sequential deployment strategy where the Prod environment has a pre-deployment condition configured to wait for the Dev environment to succeed. In Azure DevOps, pre-deployment conditions can be set to trigger only after a specific environment (like Dev) completes successfully. Since the Dev environment is still deploying, the Prod environment remains in a waiting state and does not start.
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: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
This AZ-400 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the AZ-400 exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.