Pressing the _____ key moves a list item up a level.

Given the class definition:

class CreateDestroy { public: CreateDestroy() { cout << "constructor called, "; } ~CreateDestroy() { cout << "destructor called, "; } }; What will the following program output? int main() { for ( int i = 1; i <= 2; ++i ) CreateDestroy cd; return 0; } a. constructor called, destructor called, constructor called, destructor called, b. constructor called, constructor called, c. constructor called, constructor called, destructor called, destructor called, d. Nothing.

What are the 5 classes of IPv4 addresses?

What will be an ideal response?