iOS Technical Test MCQs (Chapterwise Multiple Choice Questions)

The iMessage app is used to:

showcase a custom user interface inside the Messages app using the MSMessagesAppViewController class.

create a custom or dynamic sticker browser using the MSStickerBrowserViewControlIer class. insert text, stickers or media f‌iles into the Messages app‘s input f‌ield using the MSMessage Class.

update interactive messages (e.g. creating games or collaborative apps) using the MSSession class.

Answer & Explanation

Correct Answer: update interactive messages (e.g. creating games or collaborative apps) using the MSSession class.

Note: This Question is unanswered, help us to find answer for this one

Which of the following classes manages notif‌ication-related activities for an app or app extension?

NCWidgetProviding

UNUserNotificationCenter

UNNotif‌icationSettings

NSObject

Answer & Explanation

Correct Answer: UNUserNotificationCenter

Note: This Question is unanswered, help us to find answer for this one

ARC Stands for:

Allocated Reference Cycles

Automatic Reference Counting

Autoreleased Reference Counters

Automatic Retained Collections

Answer & Explanation

Correct Answer: Automatic Reference Counting

Note: This Question is unanswered, help us to find answer for this one

What is the effect of using 'weak' in the following @property definition: @property (nonatomic, weak) SomeClass *responder; ?

The responder object is retained and the pointer is set to nil when the object is destroyed

The responder object is not retained and the pointer is set to nil when the object is destroyed

The responder object is retained and the pointer will point to free memory when the object is destroyed

The responder object is not retained and the pointer will point to free memory when the object is destroyed

Answer & Explanation

Correct Answer: The responder object is not retained and the pointer is set to nil when the object is destroyed

Note: This Question is unanswered, help us to find answer for this one

Which of the following classes handles the editable content of a notification?

UNMutableNotif‌icationContent

UNNotif‌icationContent

UNNotif‌icationAttachment

UNNotif‌icationSound

Answer & Explanation

Correct Answer: UNMutableNotif‌icationContent

Note: This Question is unanswered, help us to find answer for this one

Which of the following protocols is used to present custom content in the Siri and Maps interfaces?

lNCarCommandsDomainHanding

lNGetCarLockStatuslntentHandling

INSetCarLockStatuslntentHandling

lNGetCarPowerLevelStatuslntentHandling

INUlHostedViewControlIing

Answer & Explanation

Correct Answer: INUlHostedViewControlIing

Note: This Question is unanswered, help us to find answer for this one

Which of the follow statements is TRUE of the use of categories?

A category can only be declared for abstract classes.

You can also use categories to split the implementation of a complex class across multiple source code files.

The syntax to declare a category uses the @protocol keyword.

The compiler synthesises any instance variable or property accessor methods for the category.

Answer & Explanation

Correct Answer: You can also use categories to split the implementation of a complex class across multiple source code files.

Note: This Question is unanswered, help us to find answer for this one

which of the following class objects is used to manage capture activity and coordinates the flow of data from input devices to capture outputs?

AVCapturedevice

AVCaptureSession

AVCapturePhotoOutput

AVCapturePhoto

Answer & Explanation

Correct Answer: AVCaptureSession

Note: This Question is unanswered, help us to find answer for this one

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?

NSPersistentStoreCoordinator

NSOueryGenerationToken

NSPersistentContainer

NSPersistentStoreDescription

Answer & Explanation

Correct Answer: NSOueryGenerationToken

Note: This Question is unanswered, help us to find answer for this one

True or False? An object with at least one owner can be destroyed.

True

False

Answer & Explanation

Correct Answer: True

Note: This Question is unanswered, help us to find answer for this one

IOS Technical Test Quick Quiz

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IOS Technical Test MCQ

IOS Technical Test Quick Quiz

The iMessage app is used to:

Which of the following classes manages notif‌ication-related activities for an app or app extension?

ARC Stands for:

What is the effect of using 'weak' in the following @property definition: @property (nonatomic, weak) SomeClass *responder; ?

Which of the following classes handles the editable content of a notification?

Which of the following protocols is used to present custom content in the Siri and Maps interfaces?

Which of the follow statements is TRUE of the use of categories?

which of the following class objects is used to manage capture activity and coordinates the flow of data from input devices to capture outputs?

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?

True or False? An object with at least one owner can be destroyed.