ITF+ Quiz Part 38
Authored by Pat Johnson
Computers
12th Grade
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72 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of implementing fault tolerance in a computer system?
To increase the speed of the system
To protect against losing access when a component fails
To reduce the cost of the system
To improve the user interface
Answer explanation
To protect against losing access when a component fails
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does redundancy in a computer system ensure?
Increased processing speed
The service can failover to the backup with minimum interruption
Reduced power consumption
Enhanced graphical performance
Answer explanation
Redundancy in a computer system ensures that the service can failover to the backup with minimum interruption.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which RAID level is known as disk mirroring?
RAID 0
RAID 1
RAID 5
RAID 10
Answer explanation
RAID 1 is known as disk mirroring where data is duplicated on two separate disks for redundancy and fault tolerance.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many disks are required at minimum for RAID 5?
1
2
3
4
Answer explanation
RAID 5 requires a minimum of 3 disks for data striping and parity information across all disks.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of parity information in RAID 5?
To increase the speed of data access
To determine the missing data in case of a single disk failure
To reduce the cost of storage
To enhance the graphical performance
Answer explanation
To determine the missing data in case of a single disk failure
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key difference between RAID 1 and RAID 5?
RAID 1 uses striping with parity, RAID 5 uses disk mirroring
RAID 1 uses disk mirroring, RAID 5 uses striping with parity
RAID 1 requires at least three disks, RAID 5 requires two disks
RAID 1 is faster than RAID 5
Answer explanation
RAID 1 uses disk mirroring, RAID 5 uses striping with parity
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a limitation of RAID as mentioned in the text?
It is not a substitute for backups
It increases the cost of the system
It reduces the speed of the system
It is difficult to implement
Answer explanation
It is not a substitute for backups
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