REST API Design Multiple Choice Quiz 3

What is the primary purpose of the Vary header in HTTP responses?
- a) To specify which headers were used for content negotiation
- b) To indicate the API version
- c) To authenticate the client
- d) To specify the caching duration
Which of the following is NOT a common method for API versioning?
- a) URL path versioning
- b) Query parameter versioning
- c) Header versioning
- d) Body versioning
What is the main advantage of using cursor-based pagination over offset-based pagination?
- a) Simplicity
- b) Consistency with large datasets
- c) Better performance
- d) Easier implementation
Which HTTP status code should be returned when a request is rate-limited?
- a) 401 Unauthorized
- b) 403 Forbidden
- c) 429 Too Many Requests
- d) 503 Service Unavailable
What is the purpose of the OPTIONS method in CORS?
- a) To retrieve a resource
- b) To update a resource
- c) To check which HTTP methods and headers are allowed
- d) To delete a resource
Which of the following is NOT a typical characteristic of a RESTful API?
- a) Stateless
- b) Client-Server
- c) Layered System
- d) Continuous Connection
What is the main purpose of using JWT (JSON Web Tokens) in API authentication?
- a) To encrypt API responses
- b) To compress API requests
- c) To provide a stateless authentication mechanism
- d) To implement API versioning
Which HTTP method is considered safe?
- a) POST
- b) PUT
- c) DELETE
- d) GET
What is the purpose of the Link header in HTTP responses?
- a) To provide hypermedia controls
- b) To specify the content type
- c) To indicate the API version
- d) To authenticate the client
Which of the following is a benefit of using Protocol Buffers over JSON?
- a) Human readability
- b) Wide browser support
- c) Smaller message size and faster processing
- d) Easier to implement on the server-side
What is the main purpose of API throttling?
- a) To increase API security
- b) To improve API performance
- c) To limit the rate of API requests
- d) To implement API versioning
Which HTTP status code indicates that the request was valid, but the server is refusing to respond to it?
- a) 400 Bad Request
- b) 401 Unauthorized
- c) 403 Forbidden
- d) 404 Not Found
What is the purpose of the If-None-Match header?
- a) To implement conditional requests based on the ETag
- b) To specify the desired response format
- c) To indicate the API version
- d) To authenticate the request
Which of the following is NOT a common authentication method for APIs?
- a) Basic Authentication
- b) API Keys
- c) OAuth 2.0
- d) SOAP Authentication
What is the main advantage of using long-polling over traditional polling?
- a) Reduced server load
- b) Real-time updates
- c) Improved security
- d) Easier implementation
Which HTTP method is used to perform a partial update of a resource?
- a) GET
- b) POST
- c) PUT
- d) PATCH
What is the purpose of the Retry-After header?
- a) To indicate when to retry a failed request
- b) To specify the content type
- c) To authenticate the client
- d) To indicate the API version
Which of the following is a characteristic of a well-designed URI?
- a) It contains the HTTP method
- b) It includes query parameters for essential data
- c) It is short and meaningful
- d) It always ends with a file extension
What is the main purpose of using WebSockets in API design?
- a) To improve security
- b) To enable real-time, bidirectional communication
- c) To implement API versioning
- d) To compress API responses
Which status code should be returned when the request entity is larger than the server is willing or able to process?
- a) 400 Bad Request
- b) 413 Payload Too Large
- c) 415 Unsupported Media Type
- d) 431 Request Header Fields Too Large