REST API Development Basics: Intermediate Level

Question 1
Which HTTP method should be used when retrieving a resource from a REST API?

(A) HEAD

(B) POST

(C) GET

(D) PUT

Question 2
What is the primary purpose of JSON in RESTful APIs?

(A) To format SQL queries for database interactions

(B) To enforce a strict schema for API requests

(C) To serve as a lightweight data interchange format between client and server

(D) To generate API endpoints automatically

Question 3
Which HTTP method is most appropriate for creating a new resource on a server?

(A) GET

(B) POST

(C) PUT

(D) DELETE

Question 4
How can versioning be effectively implemented in a RESTful API?

(A) Utilize the Accept header to specify the version

(B) Include version information in the URL path (e.g., /api/v1/resource)

(C) Omit versioning to simplify API calls

(D) Store version details exclusively in the API documentation

Question 5
Which of the following best represents the concept of statelessness in REST?

(A) The server retains session state between requests

(B) The server caches previous states for faster responses

(C) Each request from client to server must contain all the information needed to process the request

(D) Clients must authenticate once and maintain a session token for future interactions

Question 6
In designing a RESTful API, how should error responses be handled?

(A) All errors should return a 200 OK status with error details in the body

(B) Provide error messages only in plain text without guidance

(C) Always use HTTP 500 for any error regardless of the context

(D) Standardized error messages with appropriate HTTP status codes

Question 7
What is the recommended use of HTTP PUT in RESTful API operations?

(A) To add new details to a resource without overwriting existing data

(B) To retrieve a resource's metadata

(C) To partially update a resource

(D) To entirely update or replace an existing resource

Question 8
How can pagination be implemented effectively in a RESTful API?

(A) By embedding pagination data in the URL path segments

(B) By using query parameters to limit and offset the returned dataset

(C) By sending pagination details primarily in HTTP headers while ignoring query parameters

(D) By returning all records and letting the client handle pagination

Question 9
Which statement best describes the role of HTTP headers in RESTful API communication?

(A) They are used to route requests to the correct server

(B) They only serve decorative purposes and are optional

(C) They transmit metadata such as content type, authorization, and caching policies

(D) They are mandatory to include the requested data payload

Question 10
Which approach is considered a best practice for documenting a RESTful API?

(A) Relying solely on code comments within the server source code

(B) Releasing documentation only after the API is deprecated for public use

(C) Maintaining clear, machine-readable API documentation (e.g., OpenAPI/Swagger)

(D) Using internal documentation tools without external developer guides

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