Storage Devices and Power Supplies – Which RAID implementation
Chapter 2
1. Which RAID implementation produces a non-fault tolerant striped set that allows multiple physical disks to be treated as a single volume?
A. 0
B. 1
C. 5
D. 10
2.Which of the following is an equivalent term to allocation units, as they relate to hard drive technology?
A. Sector
B. Cluster
C. Cylinder
D. Track
3.What is the primary difference between a conventional hard drive and a solid-state drive (SSD)?
A. The SSD ensures larger capacities.
B. The technology behind SSDs reduces the cost per byte.
C. The SSD has no moving parts.
D. SSDs need no cabling.
4.Despite being smaller and less capable than SSDs, which of the following flash-memory formats can be used as a built-in storage solution?
A. SD
B. microSD
C. xD
D. eMMC
5.What is the capacity of a single layer of DVD-based optical media?
A. 700MB
B. 4.7GB
C. 9.4GB
D. 25GB
6.Which suffix for CD technology denotes the ability to erase the disc and write to it again multiple times?
A. -ROM
B. -R
C. -RW
D. -RE
7.Which of the following storage formats is sequential in nature and most often used during the frequent backup of large quantities of data?
A. LTO
B. SD
C. xD
D. CF
8.Which of the following technologies is best for the attachment of external SATA-based drives?
A. USB
B. FireWire
C. eSATA
D. PATA
9.Which of the following is an output voltage of a computer’s power supply?
A. -12VDC
B. 220VAC
C. -3.3VDC
D. 110VDC
10. How many pins does a SATA data cable have?
A. 5
B. 7
C. 10
D. 15
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