IT Essentials v4.1 Chapter 3 Exam

1
What is a function of the adapter cards that are installed in a computer?
to transfer external power to the motherboard
to connect the motherboard to internal memory
to connect internal power cables to the motherboard
to provide functionality for external components to be connected to the computer

2
Which two connections should be provided to a floppy disk drive during installation? (Choose two.)
a floppy data cable to connect the FDD to the motherboard
a cable from the power supply to the Berg power connector on the FDD
a cable from the 3-pin fan power connector into the Berg power connector on the FDD
a data cable from the Molex connector of the optical drive to the Berg connector on the FDD
a cable from the 20-pin ATX power connector socket on the motherboard to the Berg power connector on the FDD

3
When building a computer, which two components are normally installed in 3.5-inch drive bays? (Choose two.)
hard drive
optical drive
floppy drive
flash drive
video card

4
Which two connectors are used to connect external peripherals? (Choose two.)
EIDE
Molex
PATA
PS/2
USB

5
Which type of drive is installed in a 5.25-inch bay?
hard drive
optical drive
floppy drive
LS120 drive

6
What is the most reliable way for users to buy the correct RAM to upgrade a computer?
Buy RAM that is the same color as the memory sockets on the motherboard.
Ensure that the RAM chip is the same size as the ROM chip.
Ensure that the RAM is compatible with the peripherals installed on the motherboard.
Check the motherboard manual or manufacturer’s website.

7
What is a convenient way that a technician can tell whether a ribbon cable is for an IDE hard drive or a floppy drive?
The IDE cable has a colored stripe on one edge.
The floppy cable motherboard connector is normally gray.
The IDE cable is gray.
The floppy cable has a twist in the cable.

8
Which action is recommended to prevent the motherboard from contacting the metal base of the case?
Ensure that the non-conductive side of the case is beneath the motherboard.
Use standoffs to keep the motherboard above the metal base.
Place a non-conductive barrier between the motherboard and the metal base.
Use a self-adhesive non-conductive membrane on the underside of the motherboard.

9
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.

10
A technician is installing a new power supply in a computer. Which type of power connector should be used to connect to an ATX motherboard?
Berg
mini-Molex
Molex
20-pin connector

11

Refer to the exhibit. What is the order of steps that should be followed for a power supply installation in a computer?
Steps 1, 2, 4
Steps 1, 3, 2
Steps 1, 4, 3
Steps 2, 3, 4

12
What should be the next installation step after all the internal components of a PC have been installed and connected to the motherboard and power supply?
Connect the monitor cable.
Connect the network cable.
Reattach the side panels to the case.
Connect the power cables to the computer.

13
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

14
When installing a CPU in a ZIF socket, how should the technician align the pins to avoid damage?
Pin 1 is always aligned with the opposite corner from the base of the lever.
Pin 1 on the CPU is aligned with Pin 1 on the ZIF socket.
Pin 1 is aligned with the corner closest to the memory.
The removed corner of the CPU is always aligned with the corner opposite Pin 1.

15
What is a function of a video adapter card?
stores video files in RAM
connects a computer to a video storage device
provides the appropriate drivers for the monitor
provides an interface between a computer and a display monitor

16

Refer to the exhibit. Which should be the last step when connecting external cables to a computer?
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6

17
After a technician has assembled a new computer, it is necessary to 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

18
Where should internal drives be installed in a computer?
in internal bays
on the AGP channel
on the motherboard
on PCIe expansion slots

19
A field technician has been asked to install a wireless 802.11g NIC in a computer, but is unsure about the expansion slots available. Which two types of wireless NICs should the technician have available? (Choose two.)
PCIe
AGP
SCSI
PCI
SATA

20
What is the first step that a technician should take before physically opening a computer case?

Verify the room temperature.
Consult the website of the manufacturer.
Check the ventilation in the room.
Provide small containers to collect small screws.

21
A technician is troubleshooting a PC that will not boot. When the PC is powered on, it emits a series of beeps and indicates that the BIOS settings have changed and need to be reconfigured. The technician reconfigures the BIOS settings, saves them, and the computer boots. Later when the PC is powered off and back on again, the same error message appears, and all the BIOS changes are gone. What should the technician do to fix the problem?
Reseat the RAM.
Replace the motherboard.
Upgrade the BIOS firmware.
Replace the CMOS battery.

22
What type of connector would be used to supply power to an PATA optical drive?
PS/2
AT
Berg
Molex

23
What is the best way to apply thermal compound when reseating a CPU?
Put a thick layer of thermal compound over the existing thermal compound before reseating the CPU.
Clean the CPU and the base of the heat sink with isopropyl alcohol before applying the thermal compound.
Scrape off the old thermal compound on the heat sink with a sharp knife and apply the thermal compound liberally.
Change the base of the heat sink before applying the thermal compound.
Use rubbing alcohol to clean the base of the heat sink before applying thermal compound.

24
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?
after the POST, but before Windows starts to load
during the Windows load process
before the computer is powered on
during the POST

25
A technician has just finished assembling a new computer. When the computer is powered up for the first time, the POST discovers a video subsystem problem. How does the POST indicate the error?
by issuing a number of beeps
by flashing the LED on the front of the computer case a number of times
by locking the keyboard
by placing an error message in the BIOS

26
You are monitoring a new technician who is installing a device driver on a Windows-based PC. The technician asks why the company requires the use of signed drivers. What would be the best response to give?
A signed driver has been approved by the company that created the device driver.
A signed driver has passed the lab test of Microsoft for quality and helps prevent a system from being compromised.
An unsigned driver can cause files to be fragmented as they are processed.
Signed drivers prevent physical damage to devices.

27
What is an important step when installing a second PATA hard drive in a computer?
Set the drive ID number with the correct jumper.
Ensure that pin one of the PATA data cable is correctly aligned with the connector.
Configure the BIOS settings to auto-detect the master drive.
Set the swap file size on the new drive.
All companies making devices for a Windows computer have to have Microsoft sign off on the new driver before it can be added to the operating system.

28
What number of disks is the required minimum to implement RAID 0?
2
1
3
4

29
A technician is assembling a new computer. Which two components are often easier to install before mounting the motherboard in the case? (Choose two.)
sound card
video card
CPU
NIC
memory

30
A technician is troubleshooting a computer that has a malfunctioning floppy drive. The technician observes that the floppy drive light remains lit constantly. What should the technician do to repair the problem?
Connect the data cable making sure that the colored stripe on the cable is aligned with pin 1 on the drive and the motherboard.
Remove the floppy drive via Add/Remove Hardware.
Change the jumper setting to master for the floppy drive.
Replace the floppy drive.

31
A technician is installing additional memory in a computer. How can the technician guarantee that the memory is correctly aligned?
The label on the memory module should always face the CPU.
The arrows on the memory module should be aligned with the arrows on the motherboard slot.
A notch in the memory module should be aligned with a notch in the memory slot.
Memory slots are color coded, with one end red and one end blue

32
What is used to prevent the motherboard from touching metal portions of the computer case?
ZIF sockets
an I/O shield
thermal compound
standoffs

33
What is an advantage of using signed drivers?
They never need upgrading.
They are verified to be compatible with the operating system.
They are guaranteed by the manufacturer to work with any hardware.
They are guaranteed to work with all operating systems.
They are free of errors.

34
Where is the saved BIOS configuration data stored?
hard drive
cache
CMOS
RAM

35
Which statement describes the purpose of an I/O connector plate?
It makes the I/O ports of the motherboard available for connection in a variety of computer cases.
It provides multiple connections for SATA hard drives to connect to the motherboard.
It plugs into the motherboard and expands the number of available slots for adapter cards.
It connects the PCIe adapter slots used for video directly to the CPU for faster processing.

36
What are two examples of settings that can be changed in the CMOS settings? (Choose two.)
swap file size
boot order
enabling and disabling devices
device drivers
drive partition size

37
A technician discovers that the PS/2 mouse port is not working. The technician has several replacement mouse models available. What input port will the technician use to install the replacement mouse?
parallel
USB
FireWire
eSATA

38
What are three important considerations when installing a CPU on a motherboard? (Choose three.)
The CPU heat sink and fan assembly are correctly installed.
The CPU is correctly aligned and placed in the socket.
The CMOS EPROM battery is removed prior to installing the CPU.
Antistatic precautions are taken.
The CPU contacts are first cleaned with isopropyl alcohol.
Maximum insertion force is applied to the load lever so the CPU is locked in place. 

39
A technician has been asked to install a second optical drive in a computer. The technician will need to configure the drive as slave. How can the technician accomplish this desired configuration?
Use jumpers on the drive to configure the drive as slave.
Use jumpers on the motherboard to configure the drive as slave.
List the drive as slave in the CMOS.
Connect the drive after the twist in the PATA cable.