RAID Recovery Course - RAID Introduction Test

Check the reasonably acceptable RAID block sizes

4094 bytes
128 KB
512 bytes
2048 bytes

NASes only use software RAID

true
false

RAID is short for

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

What type of the device can implement exotic RAIDs?

software
high-end hardware
low-end hardware

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

3 disks
2 disks
1 disk

Speed improvement is achieved due to the fact that:

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

Can block size be 1 sector?

yes
no

Which of these sets of criteria are commonly applied to RAID arrays?

speed, size, and fault-tolerance
speed, size, and endurance
member disk count, speed, and fault-tolerance

Number in RAID charts is used to denote

Q parity blocks
data blocks
P parity blocks