iOS Development iOS Networking and APIs

Question 1

Which iOS framework is used to make HTTP network requests?

Accepted Answer

URLSession

Answer

CFNetwork

Answer

Alamofire

Answer

NSURLConnection

Question 2

What is the purpose of URLRequest in iOS networking?

Accepted Answer

Encapsulates a URL, HTTP method, headers, and body for a network request

Answer

Parses the JSON response from a server

Answer

Manages authentication credentials for a session

Answer

Caches responses on disk

Question 3

What does the `async/await` version of URLSession data task return?

Accepted Answer

(Data, URLResponse)

Answer

(Data, URLResponse, Error)

Answer

Result<Data, Error>

Answer

AnyCancellable

Question 4

Which HTTP method is used to create a new resource on a REST API?

Accepted Answer

POST

Answer

GET

Answer

PUT

Answer

PATCH

Question 5

What is App Transport Security (ATS) in iOS?

Accepted Answer

A policy that requires apps to use HTTPS for network connections by default

Answer

An Apple service for rate-limiting API calls

Answer

A framework for encrypting local data

Answer

A certificate pinning mechanism

Question 6

What does JSON decoding with `JSONDecoder` require of Swift types?

Accepted Answer

They must conform to Decodable

Answer

They must inherit from NSObject

Answer

They must conform to NSCoding

Answer

They must implement a custom init