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Exam 3: Storage

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Question 21

Multiple Choice

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Anything (such as a program, letter, digital photograph, or song) stored on a storage medium is referred to as a(n) ____.

A) label
B) index
C) folder
D) file

E) A) and B)
F) A) and C)

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Question 22

Multiple Choice

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____ provide(s) a method of storing data on two or more hard drives that work in combination to do the job of a larger drive.

A) Storage Area Networks (SANs)
B) RAID (redundant arrays of independent disks)
C) Network Attached Storage (NAS)
D) Holographic Storage

E) All of the above
F) A) and B)

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Question 23

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Although cost is a factor when comparing similar devices, it is often not the most compelling reason to choose a particular technology.

To avoid confusion with the tracks or songs on an audio CD, the track on an optical disc is sometimes referred to as a(n) ____________________.

Remote storage services accessed via the Internet are often referred to as cloud storage or online storage. These services can be provided either as stand-alone or as part of a cloud computing service. _________________________

In addition to tracks, sectors, and clusters, hard drives also have ____________________.

Optical discs are thin circular discs made out of molded polycarbonate substrates. _________________________

Data files are also often called ____.

Levels beyond RAID 1 use some combination of disk striping and disk ____________________, with different types of error correction provisions.

Virtually all computer users today need at least one convenient free USB port, in order to connect external hard drives, flash memory drives, and other storage hardware.

RAM is volatile. _________________________

Most storage servers are based on magnetic hard disks, although SSD and magnetic tape storage systems are also possible. _________________________

A ____ is a separate piece of hardware containing multiple high-speed hard drives.

CD-ROM discs and DVD-ROM discs are ____ optical discs and come prerecorded with commercial products.

The objective of disk mirroring is to increase ____________________.

"Tracking up data" refers to creating a second copy of important files.

With rewritable optical media, the laser permanently alters the disc surface.

The process of recording data onto an optical disc is called tracking. _________________________

Media that allow random access are sometimes referred to as ____ media.

Users do not have to be concerned with how files are physically stored on a storage medium.