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200-901 Practice Question: Needs to automate the deployment of QoS policies…
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?
⚠ Common exam trap
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.
Answer choices
Why each option matters
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.
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.
- ✗
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.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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