RAID Recovery Course - RAID Introduction Test

Should start offset be equal to block size?

no
yes

Check the reasonably acceptable RAID block sizes

512 bytes
2048 bytes
4094 bytes
128 KB

NASes only use software RAID

true
false

RAID is short for

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

What typical values for block size in RAID?

up to 1 MB
up to 1 KB
4096 MB

How data is distributed to disks in a RAID1

in contiguous streams
data is divided into blocks of the same size and then blocks are written to the disks
data is divided into blocks of different size and then blocks are written to the disks

On which disk or disks is RAID metadata stored?

on the first member disk
on one particular member disk
on all member disks

Can block size be 1 sector?

yes
no

How data is distributed to disks in a JBOD

in contiguous streams
data is divided into blocks of the same size and then blocks are written to the disks
data is divided into blocks of different size and then blocks are written to the disks

What is start offset?

offset at which RAID metadata starts
offset at which RAID user data starts