200-901 Understanding and Using APIs Practice Question
This 200-901 practice question tests your understanding of understanding and using apis. 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.
An engineer is using the Cisco Intersight API to manage UCS servers. The API response returns a paginated list. What is the proper way to retrieve all items?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Loop through pages using the 'next' link in the response
The Cisco Intersight API uses cursor-based pagination, where each page response includes a 'next' link pointing to the next page of results. To retrieve all items, you must follow that link in a loop until the 'next' field is null or absent, ensuring you get every page without assuming a fixed offset or page size.
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.
✓
Loop through pages using the 'next' link in the response
Why this is correct
Following pagination links is the recommended pattern.
Related concept
Read the scenario before looking for a memorised answer.
✗
Increase the page size limit to maximum
Why it's wrong here
Increasing page size may still not retrieve all items if there are many, and may hit API limits.
✗
Send multiple requests with different offsets manually
Why it's wrong here
Manual offset calculation is error-prone and not as reliable as using provided links.
✗
Use a single request with a filter to get all
Why it's wrong here
Filters may not retrieve all items if pagination is still enforced.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between offset-based pagination (common in REST APIs) and cursor-based pagination (used by Intersight), trapping candidates who assume they can manually increment a page number or offset.
Detailed technical explanation
How to think about this question
Under the hood, Intersight's pagination follows the JSON:API specification, where the 'links' object contains a 'next' key with a full URL including a cursor token. This token is often an opaque base64-encoded value representing the last item's sort key, ensuring consistent iteration even if new items are added during traversal. In real-world scenarios, failing to follow the 'next' link can lead to incomplete inventory reports or missed alerts when managing large UCS fleets.
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 small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
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.
Understanding and Using APIs — This question tests Understanding and Using APIs — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Loop through pages using the 'next' link in the response — The Cisco Intersight API uses cursor-based pagination, where each page response includes a 'next' link pointing to the next page of results. To retrieve all items, you must follow that link in a loop until the 'next' field is null or absent, ensuring you get every page without assuming a fixed offset or page size.
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.
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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