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200-901 Practice Question: A developer wants to send a message to a specific…
A developer wants to send a message to a specific Webex Teams room using the REST API. Which HTTP method and endpoint should be used?
⚠ Common exam trap
Cisco often tests the misconception that resources must be nested in the URL path (e.g., /rooms/{roomId}/messages) when the API actually uses a flat endpoint with the identifier in the request body, leading candidates to choose Option A.
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
✓
POST /messages
The correct endpoint to send a message to a specific Webex Teams room is POST /messages, because the Webex REST API uses a single messages resource for creating new messages. The room ID is included in the request body as a JSON parameter, not in the URL path. This design follows RESTful conventions where POST is used to create a resource, and the /messages endpoint accepts the roomId field to target the desired space.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
POST /rooms/{roomId}/messages
Why it's wrong here
The correct endpoint is /messages, not /rooms/{roomId}/messages.
- ✓
POST /messages
Why this is correct
POST to /messages with roomId in body sends a message.
- ✗
PUT /messages
Why it's wrong here
PUT is for updating, not creating new messages.
- ✗
GET /rooms/{roomId}/messages
Why it's wrong here
GET is for retrieving messages, not sending.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 200-901 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 200-901 exam.