Which method uses a while loop to cycle through an array’s indices from 0 to itemCount – 1, comparing a given object to every object in the array?

Which of the following input masks would produce the following formatting: the letters AC followed by a plus sign following by four required numbers?

A) "AC+"9999 B) AC+9999 C) "AC+"0000 D) AC+0000

This interface is used to provide a T1 connection to the communications carrier.

What will be an ideal response?