A(n) ________ is made up of three parts: the protocol, domain name, and top-level domain

You can precisely align objects using ________, the nonprinting dotted lines that form a pattern of one-inch squares

Fill in the blank(s) with correct word

Requiring a function to return a specific value to indicate a specific error condition is ____ used in C++.

A. never B. rarely C. frequently D. always