A grammatical error is underlined with a(n) ________ wavy line

The small program that helps the operating system know how to use a particular device is called a:

A) Device command set. B) Device driver. C) Device command. D) Driver command set.

A software utility initially developed at MIT and available both in the public domain and in commercially supported versions, ________ is the defacto standard for remote authentication.

Fill in the blank(s) with the appropriate word(s).