EMC Corporation - Storage Devices Questions and Answers

a) Hard disk has multiple platters and each platter has two read/write heads one on each side

b) It is a non-volatile and random access storage device

c) Hard disk can only have IDE or USB interface

d) Data Transfer rate is over 80 MBPS

a) Mirroring

b) Striping

c) Error-correction

d) fault tolerance

a) NVRAM has built in battery which keeps power applied to it even after the power is switched off.

b) Flash memory can be electrically erased and reprogrammed

c) Flash memory is used in memory sticks

d) Flash disk can only have USB interface.

a) Data Security

b) Increased & integrated capacity

c) Improved performance

d) Effective data capacity increases

a) Memory Stick

b) Hard Disk

c) Random Access Memory

d) NVRAM

a) Provides no redundancy

b) Provides data striping

c) improves performance

d) Provides fault tolerance

a) Hard Disk

b) CD-ROM

c) Tape Cartridge

d) Main Memory

a) JBOD can combine hard disks of different sizes into a single unit without loss of any capacity.

b) If a drive in a JBOD set dies then it may be easier to recover the files on the other Drives

c) JBOD supports data redundancy

d) JBOD does not has any storage controller intelligence

a) Tape Cartridge

b) Flash Memory

c) Tape Library

d) CD-ROM

a) SATA Disks support faster transfer rates and have support for hot swapping

b) USB Hard disks store data on flash memory

c) SATA hard disks cannot be connected externally to computer