- A
Use a `deployment: Staging` job with `displayName: Deploy to staging`.
Why wrong: While a deployment job is correct, the option incorrectly combines deployment and displayName; the deployment job type is specified by `deployment: Staging`, but the displayName is not the issue; the option is plausible but the correct configuration must include a deployment job, not a build job. However, option E is not precise enough and could be misleading; it is not the best answer compared to A and D.
- B
Define a stage for 'Deploy' with `dependsOn: Test` and `condition: succeeded('Test')`.
This ensures deployment only runs after the Test stage succeeds.
- C
Set `trigger: main` at the pipeline root.
This restricts the pipeline to run only on main branch changes.
- D
Add `condition: succeeded()` to the build job.
Why wrong: The condition should be on the deployment stage, not the build job, and it should reference the test stage.
- E
Define the trigger in the `resources` section using `pipelines`.
Why wrong: Pipeline triggers are set at the root level, not in resources.
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.
A development team is configuring a YAML-based pipeline in Azure Pipelines. The pipeline must meet the following requirements: - Build only the main branch. - Run integration tests after a successful build. - Deploy to a staging environment only if tests pass. - Handle failures gracefully by sending a notification to the team. You need to define the pipeline structure. Which TWO configurations should you include?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Define a stage for 'Deploy' with `dependsOn: Test` and `condition: succeeded('Test')`.
Option B is correct because it defines a 'Deploy' stage that depends on the 'Test' stage and uses `condition: succeeded('Test')` to ensure deployment only occurs after tests pass. This satisfies the requirement to deploy to staging only if tests succeed. Option C is correct because `trigger: main` at the pipeline root configures the pipeline to build only the main branch, meeting the first requirement.
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.
- ✗
Use a `deployment: Staging` job with `displayName: Deploy to staging`.
Why it's wrong here
While a deployment job is correct, the option incorrectly combines deployment and displayName; the deployment job type is specified by `deployment: Staging`, but the displayName is not the issue; the option is plausible but the correct configuration must include a deployment job, not a build job. However, option E is not precise enough and could be misleading; it is not the best answer compared to A and D.
- ✓
Define a stage for 'Deploy' with `dependsOn: Test` and `condition: succeeded('Test')`.
Why this is correct
This ensures deployment only runs after the Test stage succeeds.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Set `trigger: main` at the pipeline root.
Why this is correct
This restricts the pipeline to run only on main branch changes.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Add `condition: succeeded()` to the build job.
Why it's wrong here
The condition should be on the deployment stage, not the build job, and it should reference the test stage.
- ✗
Define the trigger in the `resources` section using `pipelines`.
Why it's wrong here
Pipeline triggers are set at the root level, not in resources.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse the `deployment` job keyword (which defines a deployment job but does not enforce stage dependencies) with the stage-level `dependsOn` and `condition` needed to gate deployment on test success, or they may mistakenly place the branch trigger in the `resources` section instead of the root `trigger`.
Detailed technical explanation
How to think about this question
In Azure Pipelines YAML, stages are independent units that can have dependencies and conditions. The `dependsOn` property defines stage ordering, while `condition` evaluates expressions like `succeeded('Test')` to gate execution. The `trigger` keyword at the root level creates a CI trigger for the specified branch, which is distinct from resource triggers that listen for pipeline completions. This separation allows precise control over build initiation and stage flow.
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.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Questions learners often ask
What does this AZ-400 question test?
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: Define a stage for 'Deploy' with `dependsOn: Test` and `condition: succeeded('Test')`. — Option B is correct because it defines a 'Deploy' stage that depends on the 'Test' stage and uses `condition: succeeded('Test')` to ensure deployment only occurs after tests pass. This satisfies the requirement to deploy to staging only if tests succeed. Option C is correct because `trigger: main` at the pipeline root configures the pipeline to build only the main branch, meeting the first requirement.
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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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