RAID Recovery Course - RAID Introduction Test

Check the reasonably acceptable RAID block sizes

128 KB
2048 bytes
4094 bytes
512 bytes

Which of the following is the JBOD parameter set?

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

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

yes
no

NASes only use software RAID

true
false

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

1 disk
3 disks
2 disks

What type of the device can implement exotic RAIDs?

software
low-end hardware
high-end hardware

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?

no
yes

Where is RAID metadata stored?

anywhere, depending on the implementation specifics
at the end of the member disk
at the beginning of the member disk

More complex RAIDs have more parameters

false
true