200-901 Understanding and Using APIs Practice Question
Which HTTP method should be used to partially update an existing resource in a REST API?
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
✓
PATCH
PATCH is used for partial updates, while PUT replaces the entire resource.
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 the entire resource.
- ✗
DELETE
Why it's wrong here
DELETE removes a resource.
- ✗
POST
Why it's wrong here
POST is used to create a new resource.
- ✓
PATCH
Why this is correct
PATCH is used for partial updates.
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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.