This AZ-400 practice question tests your understanding of design and implement build and release pipelines. 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.
Which two of the following are valid strategies to implement conditional deployment in a YAML pipeline? (Choose 2)
Configure stage filters in the triggers section
Why wrong: Stage filters are for triggers, not conditions within a pipeline.
Use dependency conditions like 'succeededOrFailed'
Why wrong: Dependency conditions are built-in for run order, not for custom conditional logic.
Add a PowerShell script to check environment
Why wrong: While possible, it's not a pipeline-native strategy; the question asks for valid strategies in YAML.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Use the 'condition' property on a stage
Option A is correct because the 'condition' property in Azure DevOps YAML pipelines allows you to specify custom conditions (e.g., `eq(variables['Build.SourceBranch'], 'refs/heads/main')`) that control whether a stage, job, or step runs. This is a native, declarative way to implement conditional deployment without scripting, evaluating the condition at runtime based on variables or expressions.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Configure stage filters in the triggers section
Why it's wrong here
Stage filters are for triggers, not conditions within a pipeline.
Use dependency conditions like 'succeededOrFailed'
Why it's wrong here
Dependency conditions are built-in for run order, not for custom conditional logic.
Add a PowerShell script to check environment
Why it's wrong here
While possible, it's not a pipeline-native strategy; the question asks for valid strategies in YAML.
Option-by-option analysis
Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The AZ-400 exam frequently reuses these exact scenarios with slightly different constraints.
Why this is wrong here
Stage filters are for triggers, not conditions within a pipeline.
Why this is wrong here
Dependency conditions are built-in for run order, not for custom conditional logic.
Why this is wrong here
While possible, it's not a pipeline-native strategy; the question asks for valid strategies in YAML.
Analysis generated from the official AZ-400blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”
Common exam traps
The trap here is that candidates confuse dependency conditions (like `succeededOrFailed`) with custom conditional logic, not realizing that dependency conditions are predefined and not a general-purpose strategy for implementing conditional deployment based on arbitrary criteria like branch names or variables.
Detailed technical explanation
Template expressions with parameters (Option B) enable conditional deployment by evaluating expressions at compile time (e.g., `${{ if eq(parameters.environment, 'prod') }}: - stage: DeployProd`), allowing you to include or exclude entire stages or jobs based on parameter values. This is distinct from runtime conditions (Option A) which evaluate after the pipeline starts; understanding this compile-time vs. runtime distinction is critical for designing complex multi-stage pipelines where you want to avoid loading unused stages.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
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FAQ
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..
The correct answer is: Use the 'condition' property on a stage — Option A is correct because the 'condition' property in Azure DevOps YAML pipelines allows you to specify custom conditions (e.g., `eq(variables['Build.SourceBranch'], 'refs/heads/main')`) that control whether a stage, job, or step runs. This is a native, declarative way to implement conditional deployment without scripting, evaluating the condition at runtime based on variables or expressions.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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.
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