The ____________________ Text to Columns feature breaks data fields in one column into separate columns.

Which of the following is an example of a valid MAC address for a workstation?

A. 05:14:K9:07:B2:M4 B. FFFF.FFFF.FFFF C. 00:08:38:05:B5:F4 D. 131.44.32.255

Physical security threats are organized into three categories: environmental threats, human-caused threats, and _________ threats.

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