EMC Corporation - Storage Devices Questions and Answers

Posted on :10-02-2016
EMC Corporation - Storage Devices Questions and Answers:-

Q1. Pick the wrong statement about the hard disk?

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

ANS: c

Q2. Pick odd one out

a) Mirroring
b) Striping
c) Error-correction
d) fault tolerance

ANS: d

Q3. Which of the following is false?

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.

ANS: d

Q4. Which one of the following is not an advantage of RAID?

a) Data Security
b) Increased & integrated capacity
c) Improved performance
d) Effective data capacity increases

ANS: d

Q5. Which of the following is not a non volatile storage device?

a) Memory Stick
b) Hard Disk
c) Random Access Memory

ANS: c

Q6. Pick the false statement about RAID 0

a) Provides no redundancy
b) Provides data striping
c) improves performance
d) Provides fault tolerance

ANS: d

Q7. Which of the following is sequential access storage device?

a) Hard Disk
c) Tape Cartridge
d) Main Memory

ANS: c

Q8. Which of the following is not true about JBOD?

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

ANS: c

Q9. Which of the following is not an off-line storage device?

a) Tape Cartridge
b) Flash Memory
c) Tape Library

ANS: c

Q10. Which of the following statements about various hard disks is wrong?

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

ANS: b

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