What type of object are Swift Structures?

Abstract Type Value Type Reference Type Memory Type

A category can be used to add new instance variables to a class.

FALSE TRUE May be None of Them

Multitasking in iOS was introduced in which version?

iOS 4.0 iOS 2.0 iOS 6.0 iOS 7.0

All of the methods in a category must be implemented

FALSE TRUE May be None of Them

What is the current state of Application running in foreground but currently not receiving any events?

Inactive State Background state Suspended state Active State