CompTIA A+ Preparation
This test includes all the tests I've taken in my course to help me prepare for the CompTIA A+ Certification.
- 1.
Which two characteristics are determined by the chip set on a motherboard? (Choose two.)
- A.
Maximum amount of memory that can be installed
- B.
Operating system compatibility
- C.
Type of connectors that will be on the motherboard
- D.
Keyboard layout
Correct Answer(s)
A. Maximum amount of memory that can be installed
C. Type of connectors that will be on the motherboard -
- 2.
Which CPU architecture uses a small set of instructions that are designed to be executed rapidly?
- A.
CISC
- B.
RAID
- C.
RISC
- D.
RISK
- E.
SCSI
Correct Answer
C. RISC -
- 3.
Which type of memory is primarily used as cache memory?
- A.
DRAM
- B.
RAM
- C.
ROM
- D.
SRAM
Correct Answer
D. SRAM -
- 4.
Which type of ROM can be reprogrammed with software while it is still physically installed in the computer?
- A.
EEPROM
- B.
EPROM
- C.
PROM
- D.
ROM
Correct Answer
A. EEPROM -
- 5.
Refer to the exhibit. Which type of cable is shown in the graphic?
- A.
FireWire
- B.
Parallel
- C.
Serial
- D.
USB
Correct Answer
C. Serial -
- 6.
Which important feature is offered by the USB standard?
- A.
A single USB connection to a computer can support up to 255 separate devices.
- B.
It offers rates of around 580 Mb/sec in low-speed mode.
- C.
It allows up to 920 Mb/sec in the 2.0 version.
- D.
It can supply power from the computer to devices.
Correct Answer
D. It can supply power from the computer to devices. -
- 7.
What are the two connector types for the 1394a interface? (Choose two.)
- A.
2
- B.
4
- C.
6
- D.
8
- E.
15
Correct Answer(s)
B. 4
C. 6 -
- 8.
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?
- A.
15 ft (4.5 m
- B.
20 ft (6 m)
- C.
27 ft (8 m)
- D.
30 ft (9 m)
Correct Answer
A. 15 ft (4.5 m -
- 9.
Which type of computer resources are direct lines to the processor used by computer components to request information from the CPU?
- A.
DMAs
- B.
I/O addresses
- C.
IRQs
- D.
Memory addresses
Correct Answer
C. IRQs -
- 10.
Which two devices are considered input devices? (Choose two.)
- A.
Biometric authentication device
- B.
Printer
- C.
Digital camera
- D.
Projector
- E.
Speakers
Correct Answer(s)
A. Biometric authentication device
C. Digital camera -
- 11.
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?
- A.
Floppy disc
- B.
CD-RW
- C.
CD-R
- D.
DVD+/-R
Correct Answer
D. DVD+/-R -
- 12.
A technician is helping a customer compare two hard drives. Which unit of measurement is used for the hard drive speed?
- A.
Revolutions per minute
- B.
Gigabytes
- C.
Pages per minute
- D.
Clusters per minute
Correct Answer
A. Revolutions per minute -
- 13.
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?
- A.
Parity
- B.
ECC
- C.
Fault tolerant
- D.
CRC
Correct Answer
B. ECC -
- 14.
Which two form factors are commonly used to build a new computer? (Choose two.)
- A.
BTX
- B.
NLQ
- C.
ATX
- D.
CLV
- E.
ESC
Correct Answer(s)
A. BTX
C. ATX -
- 15.
Which two characteristics of a motherboard can be determined by the form factor? (Choose two.)
- A.
Type of processor supported
- B.
Color
- C.
Size
- D.
Maximum memory supported
- E.
Shape
Correct Answer(s)
C. Size
E. Shape -
- 16.
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.)
- A.
6
- B.
40
- C.
68
- D.
80
- E.
120
Correct Answer(s)
B. 40
D. 80 -
- 17.
How many conductors are found in a SATA data cable?
- A.
3
- B.
4
- C.
7
- D.
10
- E.
12
Correct Answer
C. 7 -
- 18.
Which three system resources are commonly used for communication between the CPU or memory and other components in the computer? (Choose three.)
- A.
IRQ
- B.
DMA
- C.
UDP
- D.
I/O address
- E.
USB
Correct Answer(s)
A. IRQ
B. DMA
D. I/O address -
- 19.
Which three computer components contain hazardous materials and require special handling for disposal? (Choose three.)
- A.
Batteries
- B.
Floppy drives
- C.
Monitors
- D.
Optical drives
- E.
Printer toner cartridges
Correct Answer(s)
A. Batteries
C. Monitors
E. Printer toner cartridges -
- 20.
Which step should be performed first when servicing computer equipment?
- A.
Wipe down the exterior with a lint-free, damp soft cloth.
- B.
Open the case and check for any loose connections.
- C.
Turn off and remove the power source.
- D.
Replace any suspected bad components with known good components.
Correct Answer
C. Turn off and remove the power source. -
- 21.
A technician wants to limit the chances of ESD affecting his workspace. Which three precautions should be taken? (Choose three.)
- A.
Store all computer components in clear plastic bags.
- B.
Ensure antistatic mats are on the workbench and floor.
- C.
Wear an antistatic wrist strap.
- D.
Ensure that all flooring is carpeted.
- E.
Keep all components in antistatic bags.
Correct Answer(s)
B. Ensure antistatic mats are on the workbench and floor.
C. Wear an antistatic wrist strap.
E. Keep all components in antistatic bags. -
- 22.
Which two tools can help protect against ESD? (Choose two.)
- A.
Antistatic wrist strap
- B.
Compressed air
- C.
Antistatic mat
- D.
Safety glasses
- E.
Polyester clothing
Correct Answer(s)
A. Antistatic wrist strap
C. Antistatic mat -
- 23.
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?
- A.
The material safety data sheet
- B.
The insurance policy of the company
- C.
The local hazardous materials team
- D.
The regulations provided by the Occupational Safety and Health Administration
Correct Answer
A. The material safety data sheet -
- 24.
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.)
- A.
Fdisk
- B.
Spyware Remover
- C.
Defrag
- D.
Disk Cleanup
- E.
A BIOS updater
Correct Answer(s)
B. Spyware Remover
C. Defrag
D. Disk Cleanup -
- 25.
Which tool in Windows XP gives a technician access to initialize disks and create partitions?
- A.
Defrag
- B.
Disk Cleanup
- C.
Disk Management
- D.
Format
- E.
Scandisk
Correct Answer
C. Disk Management -
- 26.
Which tool should be used if a user needs to optimize space on a hard drive?
- A.
Defrag
- B.
Disk Management
- C.
Fdisk
- D.
Format
Correct Answer
A. Defrag -
- 27.
Which two types of tools can help protect a computer from malicious attacks? (Choose two.)
- A.
Anti-virus software
- B.
Disk Cleanup
- C.
Disk Management
- D.
Fdisk
- E.
Spyware Remover
Correct Answer(s)
A. Anti-virus software
E. Spyware Remover -
- 28.
What is the proper way to dispose of outdated CRTs?
- A.
All of the components should be disposed of into landfills.
- B.
All of the components should be properly incinerated.
- C.
All of the components should be recycled whenever possible
- D.
All of the components should be sealed in containers and disposed of into landfills.
Correct Answer
C. All of the components should be recycled whenever possible -
- 29.
Which condition refers to a reduced voltage level of AC power that lasts for a period of time?
- A.
Brownout
- B.
Sag
- C.
Spike
- D.
Surge
Correct Answer
A. Brownout -
- 30.
What is recommended to remove dust from inside a computer case?
- A.
Damp cloth
- B.
Dust cloth
- C.
Household vacuum cleaner
- D.
Can of compressed air
Correct Answer
D. Can of compressed air -
- 31.
Refer to the exhibit. Which type of tool is shown in the graphic?cable meter
- A.
Cable meter
- B.
Digital multimeter
- C.
Network traffic monitor
- D.
Electrostatic discharger
Correct Answer
B. Digital multimeter -
- 32.
Refer to the exhibit. Which type of tool is presented in the graphic?
- A.
Hex screwdriver
- B.
Stripped screwdriver
- C.
Phillips-head screwdriver
- D.
Flat-head screwdriver
Correct Answer
C. Phillips-head screwdriver -
- 33.
Which precaution should be taken when working around electronic devices?
- A.
Avoid using magnetized tools.
- B.
Only use hand tools from the same vendor.
- C.
Wear ESD protection to repair monitors in humid environments.
- D.
Avoid using ESD wrist straps and ESD mats simultaneously.
Correct Answer
A. Avoid using magnetized tools. -
- 34.
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?
- A.
Mild cleaning solution
- B.
Lint-free cloth
- C.
Isopropyl alcohol
- D.
Compressed air
Correct Answer
D. Compressed air -
- 35.
Which condition refers to a sudden increase in voltage, which is usually caused by lightning?
- A.
Brownout
- B.
Sag
- C.
Spike
- D.
Surge
Correct Answer
C. Spike -
- 36.
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?
- A.
Berg
- B.
Mini-Molex
- C.
Molex
- D.
20-pin ATX connector
Correct Answer
C. Molex -
- 37.
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?
- A.
Berg
- B.
Molex
- C.
20-pin ATX connector
- D.
SATA connector
Correct Answer
A. Berg -
- 38.
A technician is assembling a new computer. Which two components are often easier to install before mounting the motherboard in the case? (Choose two.)
- A.
CPU
- B.
Memory
- C.
NIC
- D.
Sound card
- E.
Video card
Correct Answer(s)
A. CPU
B. Memory -
- 39.
Which solution should be used to clean a CPU and a heat sink?
- A.
Soap and water
- B.
Rubbing alcohol
- C.
A diluted ammonia solution
- D.
Isopropyl alcohol
Correct Answer
D. Isopropyl alcohol -
- 40.
When building a computer, which two components are normally installed in 3.5-inch drive bays? (Choose two.)
- A.
Hard drive
- B.
Optical drive
- C.
Floppy drive
- D.
Flash drive
- E.
Video card
Correct Answer(s)
A. Hard drive
C. Floppy drive -
- 41.
How many pins are in a SATA data cable connector?
- A.
7
- B.
34
- C.
40
- D.
80
- E.
184
Correct Answer
A. 7 -
- 42.
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?
- A.
Remove the floppy drive using Add/Remove Hardware.
- B.
Replace the floppy drive.
- C.
Connect the data cable making sure that the colored stripe on the cable is aligned with pin 1 on the drive and the motherboard.
- D.
Change the jumper setting to master for the floppy drive.
Correct Answer
C. Connect the data cable making sure that the colored stripe on the cable is aligned with pin 1 on the drive and the motherboard. -
- 43.
What is a convenient way that a technician can tell whether a ribbon cable is for an IDE hard drive or a floppy drive?
- A.
The IDE cable has a colored stripe on one edge.
- B.
The floppy cable motherboard connector is normally gray.
- C.
The IDE cable is gray.
- D.
The floppy cable has a twist in the cable.
Correct Answer
D. The floppy cable has a twist in the cable. -
- 44.
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.)
- A.
PCIe
- B.
AGP
- C.
SCSI
- D.
PCI
- E.
SATA
Correct Answer(s)
A. PCIe
D. PCI -
- 45.
Which port is typically used for external wireless NICs?
- A.
Parallel
- B.
PS/2
- C.
SCSI
- D.
USB
Correct Answer
D. USB -
- 46.
Which additional 4-pin or 6-pin power connector is required by some motherboards?
- A.
AUX
- B.
Berg
- C.
Parallel
- D.
SCSI
Correct Answer
A. AUX -
- 47.
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?
- A.
Thermal compound
- B.
Antistatic fasteners
- C.
Load lever
- D.
Screws
Correct Answer
C. Load lever -
- 48.
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?
- A.
Before the computer is powered on
- B.
During the Windows load process
- C.
During the POST
- D.
After the POST, but before Windows starts to load
Correct Answer
C. During the POST -
- 49.
Refer to the exhibit. Which type of hard drive uses the power connector shown?
- A.
ATA
- B.
EIDE
- C.
SATA
- D.
SCSI
- E.
USB
Correct Answer
C. SATA -
- 50.
What is the most reliable way for users to buy the correct RAM to upgrade a computer?
- A.
Buy RAM that is the same color as the memory sockets on the motherboard.
- B.
Ensure that the RAM chip is the same size as the ROM chip.
- C.
Ensure that the RAM is compatible with the peripherals installed on the motherboard.
- D.
Check the motherboard manual or manufacturer's website.
Correct Answer
D. Check the motherboard manual or manufacturer's website. -
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