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Examples of volatile memory include flash memory and CMOS.

A SAN includes only servers.

If a hard disk uses perpendicular recording, magnetic particles align horizontally, parallel to the surface of the disk.

Today, businesses most often use tape for ______.

long-term storage and backup

securing internal hard drive data

syncing data between network devices

logs of network activity

Which of the following is not a type of optical media?

Blu-ray disc

USB drive

DVD

The RAID striping technique improves access times but does not ______.

provide secure backups

offer data duplication

outperform mirroring

require encryption

Which of the following is not true about read/write heads?

A head actuator on the hard disk attaches to arms that move it.

The mechanism presses down hard on the disk's recording surface.

The platter spins to create a cushion of air between it and the read/write head.

Each platter has two read/write heads, one for each side.

In a hard disk, the platter allows ______.

data to move freely between storage and memory

contaminated items to be cleaned

items to be recorded magnetically on its surface

audio to be translated from analog to digital

In secondary storage, a computer keeps ______.

archived and infrequently accessed items

data, information, programs, and applications

updates and other files that have not been scanned or verified

operating system settings