Which of the following CodeDate classes maintains a small connection pool for allowing concurrent database operations for NSSOLiteStoreType persistent stores?

Which SiriKit components is a type of protocol?

Which Trigger class objects indicates that a notif‌ication was sent by the Apple Push Notification Service?

Which is a new key for the info.plist file introduced in iOS 10?

Which is a new class in the AVFoundation framework, which is used to provide a modern interface for capture workflows related to still photography?

In the AVFoundation framework, which classes has been deprecated in iOS 10?

The app is in the background but not executing code. What State App is it in?

This code doesn't do much, but which line will call the + (void)initialize method on the class SomeClass 1. - (void)doSomething 2. { 3. [SomeClass someClassMethod]; 4. SomeClass *obj = [[SomeClass alloc] init]; 5. NSString *descriptionString = [obj getNewString]; 6. }

An object with at least one owner can be destroyed.

NSXMLParser is which kind of parser ?

Best describes the differences between iOS 7 and iOS 6?