History and Functionality of APIs

In which phase did commercial APIs like Salesforce, eBay, and Amazon first emerge?

• Phase 1: Commercial APIs

• Phase 2: Social Media APIs

• Phase 3: Cloud APIs

• Phase 4: APIs for Mobile Applications

Which company introduced APIs that changed how we share information in the mid-2000s?

• Amazon

• Facebook

• Google

• Apple

What marked a turning point in cloud computing APIs in 2006?

• The launch of Twitter’s API

• Amazon’s release of S3 and EC2

• The introduction of the iPhone

• Google’s release of Android

What role did APIs play in the rise of mobile applications?

• They replaced the need for mobile apps entirely.

• They enabled apps like Instagram and Twilio to function.

• They were only used for gaming apps.

• They were irrelevant to mobile development.

Which phase involved APIs connecting devices like Fitbit and Nest to the cloud?

• Phase 2: Social Media APIs

• Phase 3: Cloud APIs

• Phase 5: APIs for Connected Devices

• Phase 4: APIs for Mobile Applications

What is the first step in the API request-response cycle?

• The API server processes the request.

• The API client sends a request.

• The API returns a status code.

• The user receives the response.

Which of the following is NOT typically part of an API request?

• Endpoint

• HTTP Method

• Response Body

• Request Headers

What does a 404 status code indicate in an API response?

• The request was successful.

• The server created a new resource.

• The requested resource was not found.

• The request was unauthorized.

Which of the following is a benefit of using APIs?

• Increased manual workload

• Slower development cycles

• Enhanced security through authentication

• Higher costs due to third-party dependencies

What is the main difference between private and public APIs?

• Private APIs are only for internal use, while public APIs are available to third-party developers.

• Private APIs are always free, while public APIs are paid.

• Public APIs are slower than private APIs.

• Private APIs cannot be secured.