The answer is that a 202 Accepted status code indicates the network discovery request has been accepted and is being processed asynchronously. This is correct because the HTTP 202 response explicitly means the server has received the request and will handle it in the background, rather than completing it immediately and returning a result. In the context of the Cisco DNA Center API, initiating a discovery via a POST to `/dna/intent/api/v1/discovery` triggers a long-running task, so the API returns 202 to confirm the operation is underway without blocking the client. On the ENCOR 350-401 exam, this tests your understanding of REST API status codes and asynchronous workflows, a common topic in the Automation and Programmability section. A frequent trap is confusing 202 with 200 OK (which means the request succeeded and the response body contains the result) or 201 Created (which means a new resource was synchronously created). Remember the memory tip: “202 says ‘I’ll get back to you’—the job is queued, not done.”
350-401 REST APIs and Data Models Practice Question
This 350-401 practice question tests your understanding of rest apis and data models. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 is using the Cisco DNA Center API to initiate a network discovery. The API endpoint '/dna/intent/api/v1/discovery' is called with a POST request containing the following JSON payload:
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The discovery has been accepted and is being processed asynchronously.
A 202 Accepted status code means the request has been accepted for processing, but the processing has not been completed. The discovery is asynchronous and will continue in the background.
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 discovery was completed successfully and devices are added.
Why it's wrong here
202 does not mean completion; it means accepted for processing.
✗
The request is invalid and the payload needs correction.
Why it's wrong here
A 202 indicates the request was valid and accepted.
✓
The discovery has been accepted and is being processed asynchronously.
Why this is correct
202 Accepted is used for asynchronous operations.
Related concept
Read the scenario before looking for a memorised answer.
✗
The server is busy and the request is queued.
Why it's wrong here
202 does not necessarily mean queued; it means accepted for processing.
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 practitioner preparing for the 350-401 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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this 350-401 question in full detail.
Identify which 350-401 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.
REST APIs and Data Models — This question tests REST APIs and Data Models — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The discovery has been accepted and is being processed asynchronously. — A 202 Accepted status code means the request has been accepted for processing, but the processing has not been completed. The discovery is asynchronous and will continue in the background.
What should I do if I get this 350-401 question wrong?
Identify which 350-401 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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