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200-901 Practice Question: A developer is automating VLAN configuration on a…
A developer is automating VLAN configuration on a Cisco switch using REST API. Which HTTP method should be used to create a new VLAN?
⚠ Common exam trap
Cisco often tests the distinction between POST and PUT, where candidates mistakenly choose PUT because they think it can 'create or update' a resource, but in REST APIs for Cisco devices, PUT requires a known resource URI and is not used for server-assigned creation of new VLANs.
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
✓
POST
To create a new VLAN resource on a Cisco switch via REST API, the POST method is correct because it is designed to create a subordinate resource under a parent collection. In RESTful APIs, POST is used to send data to the server to create a new entity, such as a VLAN, and the server assigns a unique identifier (e.g., VLAN ID) to the new resource. This aligns with the RESTful principle for resource creation, as specified in RFC 7231.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
PUT
Why it's wrong here
PUT replaces an existing resource.
- ✓
POST
Why this is correct
POST creates a new resource.
- ✗
GET
Why it's wrong here
GET retrieves data, does not create resources.
- ✗
PATCH
Why it's wrong here
PATCH applies partial modifications.
- ✗
DELETE
Why it's wrong here
DELETE removes a resource.
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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.