Which of the following types of queues is provided and managed by Grand Central Dispatch (GCD), using which, an app can submit tasks, in the form of block objects?

Which classes in the CallKit framework declares a programmatic interface for objects that represent a telephony action?

In Sirikit, which protocol is used to get the current status of a car's locks?

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:

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

The INGetCarLockStatuslntent class in SiriKit is inherited from which class?

Which framework must be added in an Xcode 4.x project to play audio files?

Which is not an inbuilt received action in a Web View Interface Builder object?

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?

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

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