RAID Recovery Course - RAID Introduction Test

Check non-block RAIDs in the list

RAID5
RAID0
Span
Mirror

What type of the device can implement exotic RAIDs?

software
low-end hardware
high-end hardware

Is it obligatory to use identical disks to create a RAID?

yes
no

RAID is short for

Redundant Array of Inexpensive Disks
Redundant Array of Independent Disks
Reliable Array of Inexpensive Disks
Reliable Array of Independent Disks

Which of the following is the JBOD parameter set?

start offset, block size
block size, disk order
start offset, disk order

What is a minimum number of disks required to create a RAID?

2 disks
1 disk
3 disks

Speed improvement is achieved due to the fact that:

data on a RAID is not fragmented
each member disk in RAID is faster than a regular hard drive
two data blocks on two disks can be read in one operation

Can block size be 1 sector?

no
yes

Number in RAID charts is used to denote

Q parity blocks
P parity blocks
data blocks

What typical values for block size in RAID?

up to 1 KB
up to 1 MB
4096 MB