119 write short notes on a disk array b raid c cd rom

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Unformatted text preview: the typical uses of magneto-optical disks. 109. What is the basic principle of having larger capacity in mass storage devices? 110. What are the three commonly used types of mass storage devices? What are the basic storage media components used in each type? 111. What is a disk array? How does it provide enhanced storage capacity and enhanced performance? 112. What is a RAID? Why is it so called? Explain how does it provide enhanced reliability. 113. What is mirroring? Explain how mirroring leads to enhanced reliability and faster read operations in case of a RAID. 114. What is striping? Explain how striping leads to enhanced reliability and faster read operations in case of a RAID. 115. What is a RAID level? Name some of the commonly used RAID levels and the techniques used byeach for enhanced reliability. 116. What is an automated tape library? What are its main components? How are these components used together to provide a mass storage device? List out some typical uses of an automated tape library. 117. What is a CD-ROM jukebox? What are its main components? How are these components used together to provide a mass storage device? List out some typical uses of a CD-ROM jukebox. 118. List out the two basic differences between an automated tape library and a CDROM jukebox. 119. Write short notes on: (a) Disk array (b) RAID (c) CD-ROM jukebox (d) Automated tape library 120. What is a drive interface standard? How is it useful? Name two commonly used drive interface standards. 121. Write short notes on: (a) Integrated Drive Electronics (IDE) interface (b) Enhanced Small Device Interface (ESDI) (c) Intelligent Peripheral Interface-level 3 (IPI-3) (d) Small Computer System Interface (SCSI) 122. Explain how SCSI device interface standard is different from other device interface standards like IDE and ESDI. 123. What is (a) a SCSI controller, (b) a SCSI bus and (c) a SCSI device? 124. Draw a diagram to illustrate how SCSI devices are connected to and communicate with a computer system. 125. What is data backup...
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This document was uploaded on 04/07/2014.

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