200-901 Understanding and Using APIs Practice Question
A Webex API request returns a 401 Unauthorized error. The developer has already obtained an access token. What is the most likely cause?
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
✓
Invalid access token or expired token
A 401 error typically indicates an invalid or expired token, or missing Authorization header.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Invalid access token or expired token
Why this is correct
401 indicates authentication failure.
- ✗
Resource not found
Why it's wrong here
404 is not found.
- ✗
Rate limit exceeded
Why it's wrong here
Rate limit returns 429.
- ✗
Server internal error
Why it's wrong here
500 is server error.
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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.