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What is the Responder Chain?

What’s the difference between an app ID and a bundle ID and what is each used for?

What considerations do you need when writing a UITableViewController which shows images downloaded from a remote server?

When would you use Core Data over NSUserDefault ?

Explain when to use various storage mechanisms in iOS?

Explain code signing for iOS apps

What is AutoLayout? What does it mean when a constraint is broken by iOS?

What are some pros and cons of Core Data?

What's the difference between the frame and the bounds ?

What are the options for laying out UI on iOS?

Explain iOS App States

Explain the difference between Background vs Suspended app state

What options do you have for implementing storage and persistence on iOS?

Explain View Controller Lifecycle events and their order