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200-901 Practice Question: An application authenticates to Cisco Webex API…
An application authenticates to Cisco Webex API using OAuth2 client credentials grant. Which three pieces of information must the application include in the token request?
⚠ Common exam trap
Cisco often tests the distinction between OAuth2 grant types, and the trap here is that candidates confuse the client credentials grant with the authorization code grant, incorrectly assuming an authorization code or redirect URI is always required for any OAuth2 token request.
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
✓
Client ID
In the OAuth2 client credentials grant flow, the application authenticates directly as itself (not on behalf of a user) to obtain an access token. The token request must include the client ID (B) to identify the application, the client secret (D) to prove its identity, and the grant type (E) set to 'client_credentials' to indicate the flow being used. These three fields are mandatory per RFC 6749 Section 4.4.2.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Authorization Code
Why it's wrong here
An authorization code is used in the authorization code grant, not in the client credentials grant.
- ✓
Client ID
Why this is correct
The client ID identifies the application to the authorization server.
- ✗
Redirect URI
Why it's wrong here
Redirect URI is used in the authorization code grant for the initial step, not in client credentials.
- ✓
Client Secret
Why this is correct
The client secret is used to authenticate the application.
- ✓
Grant Type
Why this is correct
The grant type must be set to 'client_credentials' for this flow.
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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.