_______ is the process of making copies of data at regular intervals allowing the recovery of lost or corrupted data over relatively short time periods of a few hours to some weeks.

A __________ profile is stored on a server. When a user logs on to a network computer, the profile is copied locally to the computer. No changes are saved when the user logs off the server. Only an administrator can make changes to the profile

a. Roaming b. Mandatory c. Local d. Temporary

____ can attach themselves to a legitimate computer file, replicate to other programs, and deliver various payloads.

A. Snakes B. Viruses C. Bacteria D. Worms