200-901 Understanding and Using APIs Practice Question
A Cisco Catalyst Center API uses OAuth 2.0 with the client credentials grant for server-to-server communication. Which token endpoint parameter should the client include to identify itself?
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
✓
grant_type=client_credentials
In client credentials, the client sends client_id and client_secret (often as Basic auth or form parameters) to authenticate.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
scope=admin
Why it's wrong here
Scope is optional, not identification.
- ✓
grant_type=client_credentials
Why this is correct
Client credentials grant uses this grant type.
- ✗
response_type=token
Why it's wrong here
Used in implicit flow.
- ✗
grant_type=authorization_code
Why it's wrong here
Authorization code is for user consent.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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