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. 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.
Network Topology
Refer to the exhibit. The workflow runs successfully but the deployment fails because the Azure CLI is not authenticated. What should you add to the workflow to authenticate?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Add the 'azure/login' action with Azure credentials
Option B is correct because the 'azure/login' action authenticates using Azure credentials stored as secrets. Option A is wrong because 'azure/webapps-deploy' is a deployment action, not authentication. Option C is wrong because the GitHub token is for GitHub API, not Azure. Option D is wrong because 'actions/setup-node' is for Node.js, not authentication.
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.
✓
Add the 'azure/login' action with Azure credentials
Why this is correct
The azure/login action authenticates the CLI with service principal credentials.
Related concept
Read the scenario before looking for a memorised answer.
✗
Add the 'actions/setup-node' action
Why it's wrong here
This sets up Node.js but does not authenticate with Azure.
✗
Add the 'azure/webapps-deploy' action
Why it's wrong here
This action deploys but does not authenticate; authentication is done separately.
✗
Add the 'actions/github-script' action to use the GitHub token
Why it's wrong here
The GitHub token is for GitHub API, not Azure.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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.
Identify which AZ-400 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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: Add the 'azure/login' action with Azure credentials — Option B is correct because the 'azure/login' action authenticates using Azure credentials stored as secrets. Option A is wrong because 'azure/webapps-deploy' is a deployment action, not authentication. Option C is wrong because the GitHub token is for GitHub API, not Azure. Option D is wrong because 'actions/setup-node' is for Node.js, not authentication.
What should I do if I get this AZ-400 question wrong?
Identify which AZ-400 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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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