SAUTO Network Security Practice Question
You are automating Firepower Management Center (FMC) object creation using the REST API. You send a POST request to /api/fmc_config/v1/domain/{domainUUID}/object/networkaddresses with a body containing a name and type. The request returns a 400 Bad Request error. 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
✓
The mandatory 'value' attribute is missing from the JSON payload.
When creating network objects, the 'value' field is mandatory for defining the subnet or host address. Without it, the schema validation fails.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The domainUUID is incorrect.
Why it's wrong here
An incorrect domainUUID would typically return a 404 Not Found.
- ✗
The Content-Type header is missing.
Why it's wrong here
While necessary, this usually returns a 415 or 400 with a different message regarding media type.
- ✗
The API user lacks the 'Network Admin' role.
Why it's wrong here
Insufficient permissions usually result in a 403 Forbidden error.
- ✓
The mandatory 'value' attribute is missing from the JSON payload.
Why this is correct
The API requires the 'value' field for network objects to define the IP/CIDR.
Visual reference
About these practice questions
One of 281 original SAUTO practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
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.