AZ-400 Design and implement source control Practice Question
This AZ-400 practice question tests your understanding of design and implement source control. 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.
Exhibit
Error from Azure DevOps pipeline:
##[error]No hosted parallelism has been purchased or granted. To request a free parallelism grant, please fill out the following form https://aka.ms/azpipeline-parallelism-request
##[error]The remote provider was unable to process the request. Please try again later.
Refer to the exhibit. A developer sees this error when running a YAML pipeline in Azure DevOps. What is the most likely cause?
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.
Exhibit
Error from Azure DevOps pipeline:
##[error]No hosted parallelism has been purchased or granted. To request a free parallelism grant, please fill out the following form https://aka.ms/azpipeline-parallelism-request
##[error]The remote provider was unable to process the request. Please try again later.
A
The Azure DevOps organization has no available parallel jobs.
The error explicitly states 'No hosted parallelism has been purchased or granted.'
B
The pipeline agent pool is misconfigured.
Why wrong: The error is about parallelism, not agent pool configuration.
C
The pipeline YAML file has a syntax error.
Why wrong: The error message does not indicate a syntax error; it specifically mentions parallelism.
D
The Azure subscription is not linked to the Azure DevOps organization.
Why wrong: The error is about parallelism, not subscription linkage.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The Azure DevOps organization has no available parallel jobs.
The error indicates that the Azure DevOps organization has no available parallel jobs. This is a common issue for new organizations or those that have exhausted their free grant. The solution is to request a free parallelism grant or purchase additional parallel jobs.
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 Azure DevOps organization has no available parallel jobs.
Why this is correct
The error explicitly states 'No hosted parallelism has been purchased or granted.'
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 pipeline agent pool is misconfigured.
Why it's wrong here
The error is about parallelism, not agent pool configuration.
✗
The pipeline YAML file has a syntax error.
Why it's wrong here
The error message does not indicate a syntax error; it specifically mentions parallelism.
✗
The Azure subscription is not linked to the Azure DevOps organization.
Why it's wrong here
The error is about parallelism, not subscription linkage.
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 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.
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 source control — This question tests Design and implement source control — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The Azure DevOps organization has no available parallel jobs. — The error indicates that the Azure DevOps organization has no available parallel jobs. This is a common issue for new organizations or those that have exhausted their free grant. The solution is to request a free parallelism grant or purchase additional parallel jobs.
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.
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.
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