Is the practice of hiding data and keeping it invisible to unauthorized users.

What are listed in the vertical columns across the top of the event editor? a. file names b. conditions c. check marks d. action types

State 7 common key's for every keyboard

How should you specify box sizes on a web page if you want the boxes to vary according to the font size of the text they contain? a. in pixels b. in inches c. as percentages d. in em units