API REST API Fundamentals 2

Question 1

Which HTTP method is used to retrieve headers without a response body?

Accepted Answer

HEAD

Answer

HEAD returns only headers identical to a GET request but omits the response body.

Question 2

What is the purpose of the OPTIONS HTTP method?

Accepted Answer

Describe communication options for the target

Answer

OPTIONS describes the communication options available for the target resource, commonly used in CORS preflight requests.

Question 3

Which HTTP status code range indicates client-side errors?

Accepted Answer

4xx

Answer

4xx status codes indicate client-side errors such as bad requests, unauthorized access, or not found.

Question 4

What does a 500 Internal Server Error typically indicate?

Accepted Answer

An unexpected condition on the server

Answer

500 Internal Server Error means the server encountered an unexpected condition that prevented it from fulfilling the request.

Question 5

Which constraint of REST requires that each request contain all information needed to process it?

Accepted Answer

Statelessness

Answer

Statelessness means each client request must contain all necessary information, and the server stores no client session state.

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