True or False? Strings are one of the most common sources of buffer overflow attacks.

Does Objective-C have constructors and destructors?

What is the type of @selector(foo)?

What class will allow you to use one or more blocks concurrently?

What is @dynamic directive meaning in iOS?

Are integers full-fledged objects in Objective-C?

Correct statement to declare a new protocol?

Correct code to include C 'Header.h' header in Objective-C '.m' source file?

Correct name of memory management method?

Which are valid property annotations?

Which of the following is true?