WorksheetsRAID Technology
Total questions: 30
Worksheet time: 10mins
Name
Class
Date
1.
What does RAID stand for?
a)
Redundant Array of Independent Disks
b)
Random Access of Independent Data
c)
Redundant Array of Indexed Data
d)
Random Array of Independent Drives
2.
Which RAID level is known for disk striping?
a)
RAID 0
b)
RAID 1
c)
RAID 5
d)
RAID 10
3.
What is the primary benefit of RAID 0?
a)
Data redundancy
b)
Increased read/write speed
c)
Hot-swappable drives
d)
Parity check
4.
What happens if one drive fails in RAID 0?
a)
Data is lost on that drive only
b)
Data is lost on all drives
c)
Data is automatically backed up
d)
Drive rebuilds itself
5.
Which RAID level is known as disk mirroring?
a)
RAID 0
b)
RAID 1
c)
RAID 5
d)
RAID 10
6.
What does RAID 1 prioritize?
a)
Speed
b)
Redundancy
c)
Storage capacity
d)
Compression
7.
How does RAID 1 handle a failed drive?
a)
Data is lost
b)
Rebuilds the data on a new drive
c)
Creates parity bits
d)
No action is taken
8.
Which RAID level requires a minimum of three drives?
a)
RAID 0
b)
RAID 1
c)
RAID 5
d)
RAID 10
9.
RAID 5 combines which of the following features?
a)
Disk striping and parity
b)
Disk mirroring and striping
c)
Hot-swappable and mirroring
d)
Striping and data compression
10.
In RAID 5, what is the purpose of parity bits?
a)
Increase speed
b)
Provide redundancy
c)
Compress data
d)
Backup entire data
11.
How much storage capacity do you get with three 500GB drives in RAID 5?
a)
500GB
b)
1TB
c)
1.5TB
d)
2TB
12.
RAID 10 is a combination of which RAID levels?
a)
RAID 0 and RAID 1
b)
RAID 1 and RAID 5
c)
RAID 0 and RAID 5
d)
RAID 1 and RAID 10
13.
What is RAID 10 also known as?
a)
Stripe of mirrors
b)
Mirrored stripes
c)
Parity of mirrors
d)
Mirrored RAID
14.
What is the minimum number of drives required for RAID 10?
a)
2
b)
3
c)
4
d)
5
15.
Which RAID level is best for speed and redundancy?
a)
RAID 0
b)
RAID 1
c)
RAID 5
d)
RAID 10
16.
What is the primary disadvantage of RAID 0?
a)
Slow speed
b)
No redundancy
c)
Complex setup
d)
High cost
17.
Which RAID level allows for hot-swapping drives?
a)
RAID 0
b)
RAID 1
c)
RAID 5
d)
RAID 10
18.
What happens to data if a drive fails in RAID 5?
a)
Data is lost
b)
Data is recovered using parity bits
c)
Data is mirrored on another drive
d)
Drive is replaced without data loss
19.
RAID 1 provides how much of the total storage capacity of the drives used?
a)
1
b)
0.75
c)
0.5
d)
0.25
20.
RAID 10 is ideal for which of the following applications?
a)
Temporary file storage
b)
Critical data backups
c)
High-performance servers
d)
Video editing
21.
Which RAID level offers the fastest read/write speeds?
a)
RAID 0
b)
RAID 1
c)
RAID 5
d)
RAID 10
22.
How does RAID 0 achieve its speed advantage?
a)
Mirroring data across drives
b)
Striping data across drives
c)
Using parity bits
d)
Compressing data
23.
Which RAID level is most vulnerable to data loss?
a)
RAID 0
b)
RAID 1
c)
RAID 5
d)
RAID 10
24.
What is the main reason to use RAID 1?
a)
Increase speed
b)
Ensure data redundancy
c)
Maximize storage capacity
d)
Reduce cost
25.
Which RAID level is best for storing critical data with a focus on speed and redundancy?
a)
RAID 0
b)
RAID 1
c)
RAID 5
d)
RAID 10
26.
RAID 10 requires how much storage space compared to the total capacity of the drives?
a)
1
b)
0.75
c)
0.5
d)
0.25
27.
What is the main benefit of using RAID 5 over RAID 0?
a)
Faster speed
b)
Data redundancy with parity
c)
Increased storage capacity
d)
Lower cost
28.
Which RAID level is referred to as "disk striping with parity"?
a)
RAID 0
b)
RAID 1
c)
RAID 5
d)
RAID 10
29.
What is a common use case for RAID 0?
a)
Long-term data storage
b)
High-speed data access
c)
Data backup
d)
Cloud storage
30.
In RAID 1, if one drive fails, how is data restored?
a)
Data is lost
b)
Data is recovered from parity bits
c)
Data is restored from the mirrored drive
d)
Data is restored from cloud backup
100 %
