200-901 Understanding and Using APIs Practice Question
Which authentication flow is most appropriate for a native mobile app that needs to access the Webex API on behalf of a user?
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
✓
Authorization code grant
The authorization code grant is designed for apps that can securely store a client secret, but for native apps, PKCE (Proof Key for Code Exchange) is recommended. However, among standard grants, authorization code is the correct choice for user delegation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Client credentials grant
Why it's wrong here
Used for server-to-server, not for acting on behalf of a user.
- ✗
Resource owner password grant
Why it's wrong here
Deprecated and not recommended; requires user credentials directly.
- ✓
Authorization code grant
Why this is correct
Allows a user to consent and delegate access to the app.
- ✗
Implicit grant
Why it's wrong here
Deprecated due to security concerns; no longer recommended.
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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.