Chapter 3 - IT Essentials - PC Hardware & Software


1 Which port is typically used for external wireless NICs?

Parallel
PS/2
SCSI
USB

2 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.


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

4 Which solution should be used to clean a CPU and a heat sink?
soap and water
rubbing alcohol
a diluted ammonia solution
isopropyl alcohol

5 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

6 How many pins are in a SATA data cable connector?
7
34
40
80
184

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

8 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.

9 A technician is installing a new power supply in a computer. Which type of power connector should be used to connect to a floppy drive?
Berg
Molex
20-pin ATX connector
SATA connector

10 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

12 Which additional 4-pin or 6-pin power connector is required by some motherboards?
AUX
Berg
Parallel
SCSI

13 A technician is installing a new CPU in a ZIF socket on a motherboard. What is the primary way of securing the CPU in place?
thermal compound
antistatic fasteners
load lever
screws

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

15 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


16 Refer to the exhibit. Which type of hard drive uses the power connector shown?
ATA
EIDE
SATA
SCSI
USB

17 Which internal component of a computer uses a 3-pin power connector?
floppy drive
hard drive
sound card
fan

18 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.



19 Refer to the exhibit. Which type of port is shown?
FireWire
graphics
RJ11
RJ45
USB

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

21 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.


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Chapter 2 - IT Essentials - PC Hardware & Software


1 Refer to the exhibit. Which type of tool is shown in the graphic?
cable meter
digital multimeter
network traffic monitor
electrostatic discharger

2 A technician has a room of computers which are running very hot. The technician discovers that the heat sinks in the computers are very dusty. What should the technician use to clean the heat sinks?
mild cleaning solution
lint-free cloth
isopropyl alcohol
compressed air

3 A technician wants to limit the chances of ESD affecting his workspace. Which three precautions should be taken? (Choose three.)
Store all computer components in clear plastic bags.
Ensure antistatic mats are on the workbench and floor.
Wear an antistatic wrist strap.
Ensure that all flooring is carpeted.
Keep all components in antistatic bags.
Keep environment cool and dry.

4 Which two tools can help protect against ESD? (Choose two.)
antistatic wrist strap
compressed air
antistatic mat
safety glasses
polyester clothing

5 A technician accidentally spills a cleaning solution on the floor of the workshop. Where would the technician find instructions on how to properly clean up and dispose of the product?
the material safety data sheet
the insurance policy of the company
the local hazardous materials team
the regulations provided by the Occupational Safety and Health Administration

6 The performance of a computer is reduced after it has been using the Internet. Which three tools could be run to try to improve the performance of the computer? (Choose three.)
Fdisk
Spyware Remover
Defrag
Disk Cleanup
a BIOS updater
Device Manager Utility

7 Which tool in Windows XP gives a technician access to initialize disks and create partitions?
Defrag
Disk Cleanup
Disk Management
Format
Scandisk

8 Which tool should be used if a user needs to optimize space on a hard drive?
Defrag
Disk Management
Fdisk
Format

9 Which two types of tools can help protect a computer from malicious attacks? (Choose two.)
Anti-virus software
Disk Cleanup
Disk Management
Fdisk
Scandisk
Spyware Remover

10 What is the proper way to dispose of outdated CRTs?
All of the components should be disposed of into landfills.
All of the components should be properly incinerated.
All of the components should be recycled whenever possible.
All of the components should be sealed in containers and disposed of into landfills.

11 Which condition refers to a reduced voltage level of AC power that lasts for a period of time?
brownout
sag
spike
surge

12 What is recommended to remove dust from inside a computer case?
damp cloth
dust cloth
household vacuum cleaner
can of compressed air

13 Which three computer components contain hazardous materials and require special handling for disposal? (Choose three.)
batteries
floppy drives
monitors
optical drives
parallel cables
printer toner cartridges


14 Refer to the exhibit. Which type of tool is presented in the graphic?
hex screwdriver
stripped screwdriver
Phillips-head screwdriver
flat-head screwdriver

15 Which Windows XP command-line utility scans the critical files of the operating system and replaces any files that have been corrupted?
Chkdsk
Defrag
Disk Cleanup
Disk Management
Scan System
System File Checker

16 Which precaution should be taken when working around electronic devices?
Avoid using magnetized tools
Only use hand tools from the same vendor
Wear ESD protection to repair monitors in humid environments
Avoid using ESD wrist straps and ESD mats simultaneously

17 Which step should be performed first when servicing computer equipment?
Wipe down the exterior with a lint-free, damp soft cloth.
Open the case and check for any loose connections.
Turn off and remove the power source.
Replace any suspected bad components with known good components

18 Which condition refers to a sudden increase in voltage, which is usually caused by lightning?
brownout
sag
spike
surge

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Chapter 1 - IT Essentials - PC Hardware & Software


1 Which CPU architecture uses a small set of instructions that are designed to be
executed rapidly?
CISC
RAID
RISC
RISK
SCSI

2 Which type of memory is primarily used as cache memory?
DRAM
RAM
ROM
SRAM

3 Which three devices are considered output devices? (Choose three.)
fingerprint scanner
headphones
keyboard
monitor
mouse
Printer

4 Which type of ROM can be reprogrammed with software while it is still physically
installed in the computer?
EEPROM
EPROM
PROM
ROM

5 Which two characteristics are determined by the chip set on a motherboard? (Choose two.)
maximum amount of memory that can be installed
operating system compatibility
type of connectors that will be on the motherboard
keyboard layout


6 Refer to the exhibit. Which type of cable is shown in the graphic?
FireWire
Parallel
Serial
USB

7 Which important feature is offered by the USB standard?
A single USB connection to a computer can support up to 255 separate devices.
It offers rates of around 580 Mb/sec in low-speed mode.
It allows up to 920 Mb/sec in the 2.0 version.
It can supply power from the computer to devices.

8 What are the two connector types for the 1394a interface? (Choose two.)
2-pin
4-pin
6-pin
8-pin
9-pin
15-pin

9 Which type of memory is unable to have the contents modified?
DRAM
RAM
ROM
SRAM


10 Refer to the exhibit. What is the maximum length of the cable presented in the
graphic, which is commonly used for connecting a computer to a printer?
15 ft (4.5 m)
20 ft (6 m)
27 ft (8 m)
30 ft (9 m)

11 Which type of computer resources are direct lines to the processor used by computer components to request information from the CPU?
DMAs
I/O addresses
IRQs
memory addresses

12 Which two activities are normally controlled by the Northbridge part of the chip set?
(Choose two.)
communication between the CPU and the I/O ports
access to the RAM
communication between the CPU and the hard drive
access to the video card
communication between the CPU and the sound card

13 Which two devices are considered input devices? (Choose two.)
biometric authentication device
printer
digital camera
projector
speakers

14 A technician needs to back up 4 GB of data using a single storage medium. Which
medium can hold the entire 4 GB on a single disc?
floppy disc
CD-RW
CD-R
DVD+/-R

15 A technician is helping a customer compare two hard drives. Which unit of
measurement is used for the hard drive speed?
revolutions per minute
gigabytes
pages per minute
clusters per minute

16 Which two form factors are commonly used to build a new computer? (Choose two.)
BTX
NLQ
ATX
CLV
ECC

17 Which two categories are used to classify CPU architecture? (Choose two.)
ATX
BTX
CISC
PnP
RISC
ZIF

18 Which two characteristics of a motherboard can be determined by the form factor?
(Choose two.)
type of processor supported
color
size
maximum memory supported
shape

19 PATA data cables are available in two different types. The types are distinguished by the number of conductors. Which two types are available? (Choose two.)
6
40
68
80
120

20 How many conductors are found in a SATA data cable?
3
4
7
10
12

21 Which three system resources are commonly used for communication between the
CPU or memory and other components in the computer? (Choose three.)
IRQ
DMA
UDP
I/O address
USB
PnP

22 A technician has been asked to install memory that detects multiple bit errors and corrects single bit errors in memory. Which type of memory should be installed if the motherboard supports these features?
parity
ECC
fault tolerant
CRC

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