ReclaiMe Data Recovery Training

RAID Recovery Course - RAID Levels Test

What RAID type is shown on the right?

RAID5
RAID0
RAID1
JBOD

Is it possible to recover data if half of the RAID10 member disks failed?

depends on which disks failed
yes, all data is recoverable
no

What RAIDs utilize parity for redundancy?

RAID5
RAID1+0
RAID4
RAID1

What RAID type is shown on the right?

RAID1
JBOD
RAID5
RAID0

Check the correct statements relating to a hotspare

hotspare drive may contain non-zero data
hotspare is always integrated into a RAID
hotspare is always a standalone hard drive
hotspare can be either a standalone hard drive or be integrated into a RAID

Which parity function is usually used in a RAID5?

Huffman
Lempel, Ziv, Welch
Reed-Solomon
XOR

Check those RAID criteria RAID6 meets

speed improvement only
large capacity and fault-tolerance
speed and large capacity
fault-tolerance and speed

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

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

RAID1E is

non-redundant non-block array
redundant block array
non-redundant block array
redundant non-block array

Is it possible to recover data if more than one member disk in a RAID5 failed?

yes, but it depends on which disks failed
no
yes, all data is recoverable

Next lesson - Content analysis

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