What is the term for a named location in computer memory that can hold different values at different points in time?

_____ software can help a company manage security, enforce corporate strategies, and control downloads and content streaming from corporate databases into smartphones and mobile devices.

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

?The safest wireless network is one that is ____.

A. ?installed by a licensed professional B. ?encrypted with WPA using a 128-bit key C. ?only meant to be used at home D. ?turned off