WorksheetsStorage Area Networks module 1 & 2
Total questions: 34
Worksheet time: 20mins
The computers on which applications run are referred to as
server
hosts
database
networks
In a traditional computing environment, an operating system controls all aspects of
software
hardware
Computing
none of the above
The operating system utility that manages the virtual memory is known as
virtual manager memory
virtual memory manager
Logical Volume Managers
Physical Volume Managers
Logical Volume is software that runs on the compute system and manages
logical storage.
physical storage.
logical and physical storage.
none of the above
A file is a collection of related
records
field
data
table
Compute virtualization is a technique for masking or abstracting
physical hardware
logical hardware
both physical hardware and logical hardware
none of the above
A virtual machine is a logical entity but appears like a physical host to the
Operating System
Device drivers
Network interface card
none of the above
Connectivity refers to the ________________ between hosts or between a host and peripheral devices, such as printers or storage devices.
interconnection
logical connection
physical connection
none of the above
Which is not a physical components of connectivity between the host and storage?
port
cable
modem
the host interface device
RAID expansion is
Redundant Array of Indefinite Disks
Redundant Array of Inexpensive Device
Redundant Array of Inexpensive Disks
Redundant Array of Inexpensive Data
RAID provides _________________ of data storage
Reliability
Performance
Both Reliability and Performance
none of the above
RAID implementation methods are
hardware
software
system
both hardware and software
In Array, External RAID controller act as a -______________between host and disk
Interface
Implementation
Bridge
none of the above
Which one is not a RAID technique?
Stripping
Mirroring
Segmentation
Parity
Data is distributed across multiple disk and used in parallel called
Mirroring
Stripping
Parity
None of the above
______________provide data redundancy by error checking and data recovery
Mirroring
Parity
Scanning
Stripping
A group of two or more integrated hard disks is called a _______.
backup
platter
RAID
portable hard disk
In order to implement a RAID 5 array you need a minimum of how many drives?
One
Two
Three
Four
Five
RAID 6 Description
Striping with Double Parity
Striping
Striping with Parity
A Strip of Mirrors
What is RAID 5 best for?
Speed
Protection against Data loss
Speed and Redundancy
Speed, Protection against Data loss, Redundancy
Which RAID type doesn't use parity for data protection?
RAID 1
RAID 4
RAID 6
RAID 5
Which one of these is Characteristics of RAID 5?
Distributed parity
No parity
All parity in a single Disk
double parity
What is the unique Characteristics of RAID 6?
Distributed Parity
Striping
Two independent distributed parity
Mirroring
Which of the following combinations can support RAID 05?
2 Sets with 3 disks each
3 Sets with 2 disks each
2 Sets with 4 disks each
4 Sets with 1 disks each
What is the minimum number of disks required for RAID 01?
1
2
4
5
Which of the following RAID levels provides maximum usable disk space?
RAID 1
RAID 0
RAID 5
RAID 6
If read and write performance is the only criterion which one would you choose?
RAID 0
RAID 1
RAID 5
RAID 50
Which of the following RAID levels are nested?
RAID 5
RAID 6
RAID 10
RAID 4
Can you help decide on the RAID level to use-
We are a media house and we use lot of graphics/video applications we need large throughputs for videos to get played without any jitter and since we are in publishing business we can't afford downtimes. Even if there is any downtime we would like our data to be Quickly reconstructed and Enable us to continue with out work in less time.
RAID 5
RAID 10
RAID 6
RAID 01
