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200-901 Practice Question: Is writing a Python script to interact with Cisco…
A network engineer is writing a Python script to interact with Cisco DNA Center. After successfully authenticating and receiving a token, what header must be included in subsequent API requests?
⚠ Common exam trap
Cisco often tests the distinction between authentication (getting the token) and authorization (using the token), and the trap here is that candidates might think the token is sent in the request body or a custom header because they confuse it with API keys or session cookies, but the correct standard is the Authorization header with Bearer.
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
✓
In the Authorization header as Bearer
Cisco DNA Center uses token-based authentication following the OAuth 2.0 framework. After obtaining a token via the /dna/system/api/v1/auth/token endpoint, the token must be included in the Authorization header using the Bearer scheme (e.g., 'Authorization: Bearer <token>') for all subsequent API requests to prove the client's identity and authorization.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
In a custom header
Why it's wrong here
While possible, Cisco DNA Center uses the standard Authorization header.
- ✗
In the URL query string
Why it's wrong here
Tokens should not be passed in URLs for security reasons.
- ✗
In the request body
Why it's wrong here
The token is not sent in the body.
- ✓
In the Authorization header as Bearer
Why this is correct
The standard way is to include 'Authorization: Bearer <token>' in the header.
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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.