This AZ-400 practice question tests your understanding of design and implement build and release pipelines. 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.
The pipeline above fails with: 'The deployment job 'DeployToProd' references environment 'Production' which does not exist.' What should you do to resolve this error?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create an environment named 'Production' in Azure DevOps project settings.
The error indicates that the Azure DevOps pipeline references an environment named 'Production' that does not exist in the project. Environments must be explicitly created in Azure DevOps project settings before they can be used in deployment jobs. Option D resolves this by creating the required environment, allowing the deployment job to target it correctly.
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.
✗
Remove the 'environment' property from the deployment job.
Why it's wrong here
Removing environment defeats its purpose.
✗
Change the deployment strategy from 'runOnce' to 'rolling'.
Why it's wrong here
The strategy is not the issue.
✗
Add a script step before the deployment job to create the environment.
Why it's wrong here
Environments cannot be created from pipeline scripts.
✓
Create an environment named 'Production' in Azure DevOps project settings.
Why this is correct
The environment must exist before referencing it.
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 may think a script step can dynamically create the environment before the deployment job runs, but Azure DevOps validates environment references at pipeline compile time, not runtime, so the environment must already exist.
Detailed technical explanation
How to think about this question
Azure DevOps environments are logical containers that represent a target deployment resource (e.g., a Kubernetes namespace, a set of VMs) and support features like approvals, checks, and resource traceability. The environment must exist before the pipeline runs because the YAML parser validates the environment reference at compile time; if it does not exist, the pipeline fails with a validation error. Environments can be created via the Azure DevOps web interface, the REST API, or the Azure CLI, but not inline in a pipeline script.
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.
Visual reference
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: Create an environment named 'Production' in Azure DevOps project settings. — The error indicates that the Azure DevOps pipeline references an environment named 'Production' that does not exist in the project. Environments must be explicitly created in Azure DevOps project settings before they can be used in deployment jobs. Option D resolves this by creating the required environment, allowing the deployment job to target it correctly.
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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Question Discussion
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