Your SLAs should limit the number of nested disasters to ________

Which of the following best describes disk defragmentation?

A. Reorganizing the hard disk so that files are stored in contiguous sectors. B. Removing unnecessary files. C. Compressing backup and other files to increase disk storage. D. Installing partitions on the hard disk in order to run separate operating systems on the same computer.

Heavy computer users who experience red, dry, itchy eyes should _____.

A. consider the use of artificial tears B. consider the use of older, but more human friendly CRT monitors C. keep their focus on their screens for long hours D. avoid blinking often