The lNVocabulary class in SiriKit is inherited from which of the following classes?

In the Notif‌icationCenter framework, the NCWidgetController class is inherited from the:

In the AVFoundation framework, which classes contains per-pixel distance or disparity information, while capturing images using iphone 7 plus?

Core Data now supports pinning an NSManagedObjectContext to a specific query generation. Which of the following classes iS used to specify a pinning behavior or a specific version from another context?

You want to pre-order an item from an online store. The payment for the pre-order is to be done using Apple Pay. This scenario comes under which of the following transaction types?

You want to pay for a gym subscription for 10 months. The payment is to be made via Apple Pay. It is a type of:

What class supports the sharing of small amounts of data such as strings or dates to iCloud?

What structure can be used to define a portion of a series?

In order to test your application in XCode, which testing frameworks are available?

What do you use to expose preferences for your app in the Settings section of the device?

When do you use the 'assign' value for a property?