____________________ policies apply to a particular situation or technology.

In the Inbox pane, the ________ for an e-mail that has not yet been read or opened displays in bold, and the icon at the left shows a closed envelope.

a. sender's name b. e-mail heading c. message header d. question mark

Whichtechnology allows calls to be transmitted over the Internet instead of via traditional phone lines or cellular towers?

a.Instant messaging b.Forums c.Message boards d.VoIP