200-901 Cisco Platforms and Development Practice Question
This 200-901 practice question tests your understanding of cisco platforms and development. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 developer wants to quickly prototype an application that interacts with a Cisco Catalyst 9000 switch using REST APIs. What is the most appropriate resource to use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Cisco DevNet Sandbox
Cisco DevNet Sandbox provides free, cloud-hosted lab environments with pre-configured Cisco Catalyst 9000 switches that expose REST APIs (e.g., RESTCONF over HTTPS). This allows a developer to quickly prototype and test applications without needing physical hardware or complex setup, making it the most appropriate resource for rapid prototyping.
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.
✓
Cisco DevNet Sandbox
Why this is correct
Cisco DevNet Sandbox provides free, always-on labs with pre-configured devices for development and testing.
Related concept
Read the scenario before looking for a memorised answer.
✗
Cisco DNA Center
Why it's wrong here
DNA Center is a management platform, not a prototyping sandbox.
✗
Cisco Unified Communications Manager
Why it's wrong here
Unified Communications Manager is for voice/collaboration, not switching platforms.
✗
Cisco Prime Infrastructure
Why it's wrong here
Prime Infrastructure is legacy and not typically used for REST API prototyping.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between a development sandbox (DevNet) and production management platforms (DNA Center, Prime Infrastructure), expecting candidates to recognize that rapid prototyping requires a lightweight, accessible environment rather than a full-scale orchestration tool.
Detailed technical explanation
How to think about this question
Cisco Catalyst 9000 switches support RESTCONF (RFC 8040) and NETCONF (RFC 6241) for programmatic configuration and monitoring using YANG data models. The DevNet Sandbox provides always-on or reservable instances with pre-configured credentials, enabling developers to test HTTP methods (GET, PUT, POST, DELETE) against the switch's REST API endpoints without worrying about device readiness or network policies.
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: Cisco DevNet Sandbox — Cisco DevNet Sandbox provides free, cloud-hosted lab environments with pre-configured Cisco Catalyst 9000 switches that expose REST APIs (e.g., RESTCONF over HTTPS). This allows a developer to quickly prototype and test applications without needing physical hardware or complex setup, making it the most appropriate resource for rapid prototyping.
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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