200-901 Cisco Platforms and Development Practice Question
This 200-901 practice question tests your understanding of cisco platforms and development. 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.
A network engineer needs to automate the deployment of QoS policies across multiple campus switches using Cisco DNA Center. The engineer decides to use the Cisco DNA Center Intent API to create a policy tag and bind it to a group of devices. After sending the PUT request to /dna/intent/api/v1/policy-tag, the API returns a 202 Accepted status. However, the engineer notices that the policy is not being applied consistently across all devices. What is the most likely reason?
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.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The request was asynchronous, and the engineer did not check the task status for completion.
The 202 Accepted status indicates that the request was accepted for asynchronous processing, not that it has completed. Cisco DNA Center Intent API uses asynchronous tasks for operations like policy tag binding, and the engineer must poll the task status endpoint to verify completion and success. Without checking the task status, the engineer cannot know if the policy was applied consistently across all devices, as some tasks may have failed or are still in progress.
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 payload was not in JSON format, causing a silent failure.
Why it's wrong here
The API requires JSON payloads; if not provided, it would return a 400 error.
✗
The API token expired before the request was processed.
Why it's wrong here
The token is typically checked at request time, and a 202 indicates authentication passed.
✓
The request was asynchronous, and the engineer did not check the task status for completion.
Why this is correct
202 Accepted means the request is being processed asynchronously; the task ID must be monitored.
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 engineer used an incorrect API endpoint for policy tags.
Why it's wrong here
The endpoint /dna/intent/api/v1/policy-tag is correct for creating a policy tag.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between synchronous (2xx success) and asynchronous (202 Accepted) responses, and the trap here is that candidates assume a 202 Accepted means the operation completed successfully, when in fact it only means the request was accepted for processing.
Detailed technical explanation
How to think about this question
Cisco DNA Center Intent API implements asynchronous operations using a task-based model: the initial request returns a 202 Accepted with a taskId in the response, and the engineer must poll the /dna/intent/api/v1/task/{taskId} endpoint to check the status and any error details. This pattern is common in REST APIs for long-running operations, and failing to poll the task status can lead to incomplete or failed deployments without visible errors. In real-world scenarios, network engineers often miss this step, resulting in inconsistent policy application across devices, especially when dealing with large-scale deployments.
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 practitioner preparing for the 200-901 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
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.
Cisco Platforms and Development — This question tests Cisco Platforms and Development — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The request was asynchronous, and the engineer did not check the task status for completion. — The 202 Accepted status indicates that the request was accepted for asynchronous processing, not that it has completed. Cisco DNA Center Intent API uses asynchronous tasks for operations like policy tag binding, and the engineer must poll the task status endpoint to verify completion and success. Without checking the task status, the engineer cannot know if the policy was applied consistently across all devices, as some tasks may have failed or are still in progress.
What should I do if I get this 200-901 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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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Question Discussion
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