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FREE iOS App Developer Questions and Answers
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What is the name of the component that creates and initializes a command?
The Command Processor
The Command
The Client
The Server
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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
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What does the Command Pattern enable designers to accomplish?
Encapsulating all necessary information
Allowing loosely coupled behavior
Automating common tasks
Making code more readable
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What are the most downloaded category on the app store?
Apps
Books
Music
Games
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In the Command Pattern, what does the Client create?
Concrete Command
CommandProxy
Abstract Command
CommandBuilder
Service Implementation
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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
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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
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