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200-901 Practice Question: Which TWO of the following are commonly used HTTP…
Which TWO of the following are commonly used HTTP methods for a RESTful API to retrieve and update a resource? (Select TWO)
⚠ Common exam trap
Cisco often tests the misconception that POST can be used for both creation and update, but in a strictly RESTful API, PUT is the standard method for updating a resource, while POST is reserved for creation or non-idempotent operations.
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
✓
GET
GET is correct because it is the HTTP method defined by RFC 7231 for retrieving a representation of a resource. In a RESTful API, a GET request to a resource URI fetches the current state of that resource without side effects, making it idempotent and safe. PUT is correct because it is the HTTP method used to update or replace a resource at a given URI; it is idempotent, meaning multiple identical PUT requests produce the same result as a single request.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
GET
Why this is correct
GET retrieves the current state of a resource.
- ✗
POST
Why it's wrong here
POST is used to create a new resource.
- ✓
PUT
Why this is correct
PUT is used to update an existing resource.
- ✗
DELETE
Why it's wrong here
DELETE removes a resource.
- ✗
HEAD
Why it's wrong here
HEAD retrieves headers without body, not for update.
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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.