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Exam 3: Storage

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Question 21

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Most large storage systems are based on magnetic hard disks, although some systems can use a combination of magnetic and  solid-state drives . _________________________

A) True
B) False

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Question 22

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____ devices are high-performance storage systems that are connected individually to a network to provide storage for the computers connected to that network.

A) Network attached storage (NAS)
B) Super network storage
C) Holographic Storage
D) RAID (redundant arrays of independent disks)

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

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Question 23

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USB flash drives are designed to be very small and very portable.

In terms of functionality, the distinction between NAS and HHD  is blurring because they both provide storage services to the network. _________________________

An external flash memory card reader that connects via an  RJ14 port can be used when the destination device doesn't have a built-in reader .

Conventional CD discs use ____ lasers.

One reason advanced users may partition a primary hard drive is to be able to use two different operating systems on the same hard drive.

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

Often the storage device and storage medium are two separate pieces of hardware (that is, the storage medium is ____) .

For an extra level of security, some smart cards today store ____ data in the card and use that data to authenticate the card's user before authorizing the smart card transaction.

External hard drives typically connect to a computer via an external port (such as a USB or ____ port) or a wireless connection.

Some drive letters, such as the letter ____ that is typically used with the primary hard drive, are usually consistent from computer to computer and do not change even if more storage devices are added to the computer.

A ____ partition contains the data necessary to restore a hard drive back to its state at the time the computer was purchased and is designed to be used only if the computer malfunctions.

Storage media are volatile.

With a DVD, the storage medium and the storage device are permanently sealed together to form one piece of hardware called a fixed-media storage system.

____ means that data can be retrieved directly from any location on the storage medium, in any order.

____ optical discs can be written to, erased, and overwritten just like magnetic hard disks.

A ____ is the hardware where data is actually stored.

Since retrieving data from memory is much faster than from a magnetic hard disk, disk caching can speed up performance..

Most computer tapes today are in the form of ____ tapes.