Web Programming Web APIs and REST 3

Question 1

What is the primary data format used in modern REST APIs?

Accepted Answer

JSON

Answer

JSON (JavaScript Object Notation) has become the dominant data format for REST APIs due to its lightweight nature, readability, and native support in JavaScript.

Question 2

What does a 500 HTTP status code indicate?

Accepted Answer

Internal Server Error

Answer

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

Question 3

In RESTful API design, what does a DELETE request to `/users/123` do?

Accepted Answer

Removes user 123

Answer

A DELETE request to a resource URL removes the identified resource; DELETE /users/123 deletes the user with ID 123.

Question 4

What is the difference between authentication and authorization in web APIs?

Accepted Answer

Authentication verifies identity; authorization determines permissions

Answer

Authentication verifies who you are (identity), while authorization determines what you are allowed to do (permissions) once your identity is confirmed.

Question 5

What is rate limiting in the context of web APIs?

Accepted Answer

Restricting the number of requests a client can make in a given time period

Answer

Rate limiting controls the number of API requests a client can make within a specified time window to prevent abuse and ensure fair resource usage.

Web Programming Practice Test

Web Programming Practice Test

Web Programming Web APIs and REST 3