200-901 Understanding and Using APIs Practice Question
What HTTP method should be used to update only the description field of a network device resource via 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, whereas PUT replaces the entire resource. GET retrieves, POST creates, DELETE removes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
DELETE
Why it's wrong here
DELETE removes the resource entirely.
- ✗
PUT
Why it's wrong here
PUT replaces the entire resource, not just a single field.
- ✗
POST
Why it's wrong here
POST is used to create a new resource, not update existing ones.
- ✓
PATCH
Why this is correct
PATCH is designed for partial updates to a resource.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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