Which of the following settings is optional while submitting an app to the Apple App Store?

What is the use of creating outlets for objects in iOS applications?

Which is not a state of an iOS app?

The given image is a snapshot of an iOS app. What does it depicts?

The minimum resolution required for app icons on iOS or iPod touch with non-retina display is:

Which profile is automatically created and installed on the iOS device when you add an iOS device in Xcode 4.x for the first time?

Which class object is used to perform certain tasks, in response of a delivered notification?

Which method manage the execution of work items in a queue?

The INGetCarLockStatuslntent class in SiriKit is inherited from which class?

Which protocol is used to present custom content in the Siri and Maps interfaces?

In iOS1O CodeData, NSPersistentContainer uses a new class to describe the conf‌iguration information to pass to NSPersistentStoreCoordinator. while adding a persistent store. That class is: