The best way to verify _______________ is to have the user do whatever she needs to do on the repaired system for a few minutes while you watch.

Which of the following is a switching location in a packet switching network?

a. a PAD b. a Node c. an IXC d. none of the above

The ___________ UNIX e-mail server has two primary configuration files, master.cf and main.cf?

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