FREE iOS App Developer Questions and Answers

What does the Command Pattern enable designers to accomplish?

Encapsulating all necessary information

Allowing loosely coupled behavior

Automating common tasks

Making code more readable

Correct! Wrong!

What is the name of the component that creates and initializes a command?

The Command Processor

The Command

The Client

The Server

Correct! Wrong!

What features can you test on your app prior to uploading to the App Store?

Cloud storage, in-app purchases

Push Notifications, data storage using Core Data

Testing on live devices

Analytics

Testing in Simulator

Correct! Wrong!

What are the most downloaded category on the app store?

Apps

Books

Music

Games

Correct! Wrong!

What can media players do besides play files from a server?

Store and manage user data

Serve ads to users

Distribute content to users

Serve advertisements

Analyze user behavior

Correct! Wrong!

What is a power feature added in iOS 11 with the use of machine learning?

Core ML

3D Touch

Face ID

Background App Refresh

ARKit

Correct! Wrong!

In the Command Pattern, what does the Client create?

Concrete Command

CommandProxy

Abstract Command

CommandBuilder

Service Implementation

Correct! Wrong!

FREE iOS App Developer Questions and Answers

What does the Command Pattern enable designers to accomplish?

What is the name of the component that creates and initializes a command?

What features can you test on your app prior to uploading to the App Store?

What are the most downloaded category on the app store?

What can media players do besides play files from a server?

What is a power feature added in iOS 11 with the use of machine learning?

In the Command Pattern, what does the Client create?

FREE iOS App Development Fundamentals Questions and Answers

FREE iOS Development for Beginners Questions and Answers

What does the Command Pattern enable designers to accomplish?

What is the name of the component that creates and initializes a command?

What features can you test on your app prior to uploading to the App Store?

What are the most downloaded category on the app store?

What can media players do besides play files from a server?

What is a power feature added in iOS 11 with the use of machine learning?

In the Command Pattern, what does the Client create?

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