WorksheetsCh.3 Checkpoint Review
Total questions: 13
Worksheet time: 1hrs 5mins
A technician has just finished assembling a new computer. When the computer is powered up for the first time, the POST discovers a problem. How does the POST indicate the error?
It issues a number of short beeps.
The LED on the front of the computer case flashes a number of times.
It places an error message in the BIOS.
It locks the keyboard.
What is a function of the BIOS?
enables a computer to connect to a network
provides temporary data storage for the CPU
performs a check on all internal components
provides graphic capabilities for games and applications
A technician has assembled a new computer and must now configure the BIOS. At which point must a key be pressed to start the BIOS setup program?
before the computer is powered on
during the Windows load process
during the POST
after the POST, but before Windows starts to load
What electrical unit refers to the number of electrons moving through a circuit per second?
current
voltage
resistance
power
What characteristic of electricity is expressed in watts?
the amount of work required to move electrons through a circuit
the resistance to the flow of current in a circuit
the amount of electrons flowing through a circuit per second
the work required to move electrons through a circuit multiplied by the number of electrons flowing through a circuit per second
Which is a BIOS security feature that can prevent data from being read from a hard drive even if the hard drive is moved to another computer?
drive encryption
RAID
secure boot
BIOS Passwords
What data is stored in the CMOS memory chip?
BIOS Settings
Windows Configuration Settings
user login information
device drivers
How does an inline UPS protect computer equipment against electrical power brownouts and blackouts?
by grounding excess electrical voltage
by using a battery to supply a constant level of voltage
by switching from main power to a standby power source
by stopping the flow of voltage to the computer
A network administrator is setting up a web server for a small advertising office and is concerned with data availability. The administrator wishes to implement disk fault tolerance using the minimum number of disks required. Which RAID level should the administrator choose?
RAID 6
RAID 5
RAID 1
RAID 0
A data analyst has asked a technician to help protect locally stored data by installing a RAID. What is the minimum number of drives the technician has to install if configuring a RAID level 6?
3
5
6
7
A data analyst has asked a technician to help protect locally stored data by installing a RAID. What is the minimum number of drives the technician has to install if configuring a RAID level 1?
2
6
10
7
A technician has been asked to configure several computers with RAID. The customer needs protection if one drive fails, fast access, and drive capacity. Which RAID should the technician install?
RAID 5
RAID 4
RAID 2
RAID 3
A technician has been asked to configure several computers with RAID. The customer wants data to be stored on three drives and protection for one drive failure. Which RAID should the technician install?
RAID 5
RAID 2
RAID 8
RAID 7
