You want your REST API to support both JSON and XML responses. Which server-side approach correctly implements content negotiation?

hard📝 Application Q15 of 15

Rest API - Request and Response Format

AIgnore the Accept header and always send JSON

BSend both JSON and XML in the same response body

CCheck the Accept header and respond with JSON or XML accordingly

DRespond with XML only if the client sends a custom header

Step-by-Step Solution

Solution:

Step 1: Understand content negotiation best practice
The server should read the Accept header to decide response format.
Step 2: Choose approach matching client preference
Responding with JSON or XML based on Accept header is correct behavior.
Final Answer:
Check the Accept header and respond with JSON or XML accordingly -> Option C
Quick Check:
Content negotiation = respond per Accept header [OK]

Quick Trick: Always respect Accept header to choose response format [OK]

Common Mistakes:

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