SAUTO Network Security Practice Question
You are writing a Python script to interact with the Cisco Adaptive Security Appliance (ASA) via the REST API. You need to verify that your session token remains valid. Which header must be included in subsequent API calls to maintain the authenticated session?
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
✓
X-Auth-Token
The 'X-Auth-Token' header is the standard mechanism for passing the authentication token obtained from the initial login request to the ASA REST API.
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: Bearer
Why it's wrong here
This is common in OAuth2 but not the native ASA REST API header.
- ✗
Session-Key
Why it's wrong here
This is not a standard header for ASA REST API authentication.
- ✗
Cookie: session_id
Why it's wrong here
While cookies may be used by the browser, the API requires the explicit header.
- ✓
X-Auth-Token
Why this is correct
The ASA REST API uses the X-Auth-Token header to validate the session.
About these practice questions
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Cisco exam blueprint
This SAUTO 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 SAUTO exam.