A+ Essentials Exam
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This A+ Essentials quiz follows the Comptia objectives. You will find approximately the same number of questions for each section. It should helps you to become familiar with some questions that could be found in the A+ exam. Updated April 08
- 1.What advantage does FAT have over FAT32?
- A.
Larger partition size
- B.
Better security
- C.
None
- D.
Better compression
- 2.Select the System Utility used in Windows XP to check System Files.
- A.
Scandisk
- B.
Eventviewer
- C.
Sfc
- D.
Msconfig
- E.
Dxdiag
- 3.What device enables you to enter data using your fingers?
- A.
Bar reader
- B.
Scanner
- C.
Webcam
- D.
Touch screen
- E.
Touch flat
- 4.Your cursor starts skipping as you move it across the screen. What should you do?
- A.
Clean the keyboard
- B.
Update your mouse drivers
- C.
Clean the mouse
- D.
Stop and restart the mouse service
- E.
Buy a new mouse
- 5.Thin Film Transistor is used in ....
- A.
Passive matrix
- B.
In CRT monitors
- C.
Active matrix
- D.
In Mac Os
- E.
In modems
- 6.How data is transferred in parallel communication? Select all that apply.
- A.
1 bit at a time
- B.
8 bits at a time
- C.
1 byte at a time
- D.
9 bits at a time
- E.
8 bytes at a time
- 7.What is the primary purpose of the transfer corona in a laser printer?
- A.
It moves the paper through the printer
- B.
It fuses the toner to the paper
- C.
It charges the paper so that the toner sticks to the paper
- D.
It is a laser htat scans the image to the printer
- E.
It writes the image on the drum
- 8.A user want to create a bootable disk using the command line. What is the command used to accomplish this?
- A.
ERASE A: /S
- B.
FORMAT A: /B
- C.
FORMAT A: /S
- D.
FORMAT A:
- E.
FORMAT C: /S
- 9.
- A.
During the computer's startup, press F1
- B.
During the computer's startup, press the delete key
- C.
During the computer's startup, press esc
- D.
There is no universal way of accessing CMOS
- E.
After the startup
- 10.PCI has a bus width of____ bits. Select all that apply.
- A.
30
- B.
8
- C.
32
- D.
64
- E.
16
- 11.When troubleshooting, what is the first step?
- A.
Make assumption
- B.
Check the obvious
- C.
Analise the problem without making an initial determination
- D.
Put the computer on the floor
- E.
Call your supervisor asking for help
- 12.If you are using even parity, on the 8-bit binary number 11010010, what will the parity bit be?
- A.
1
- B.
0
- C.
None
- D.
0 and 1
- 13.Which of the following is an essential tool for an IT Tech? Select the best answer.
- A.
Torx screwdriver
- B.
Phillips head screw driver
- C.
Tweezers
- D.
Flashlight
- E.
Pliers
- 14.What is the function of the Bus mastering?
- A.
Allows the CPU to run faster
- B.
Allows a controller on the bus to talk to other devices without going through the CPU
- C.
Allows the Bus to process more programs
- D.
Is the new tecnique for burning DVD
- E.
Allows the bus to awake the computer from a sleep mode
- 15.There are customers that start speaking and never stop. At what point should you interrupt a customer?
- A.
When you know the answer
- B.
You should never interrupt
- C.
After 5 minutes
- D.
After he finishes the first paragraph
- E.
When he takes a break speaking
- 16.How many IDE controller can be attached to a motherboard?
- A.
1
- B.
3
- C.
2
- D.
4
- E.
7
- 17.How do you low-level format and IDE drive?
- A.
Enter the debug.exe program and enter g=c800:5 at the -prompt
- B.
Run lowlevel.com
- C.
Execute format.com
- D.
You don't, it's done at the factory
- 18.What is the function of Twisted cables?
- A.
Are used to protect against fire
- B.
Are used to protect against crosstalk
- C.
Are used to protect against toxicity
- D.
Are used to protect against viruses
- E.
Are used to protect against cris cross
- 19.A multimeter measures ______ Select all that apply
- A.
Amperes
- B.
Volts
- C.
Radio signal
- D.
Ohms
- E.
Surges
- 20.Which of the following is a fiber optic connector type? T~he form is similar to the RJ-45 and supports full duplex.
- A.
RJ11
- B.
ST
- C.
SC
- D.
MT-RJ
- E.
LC
- 21.Which of the following is not present in the Task Manager of Windows XP?
- A.
Applications
- B.
Processes
- C.
Performance
- D.
Networking
- E.
Settings
- 22.The IEEE_____ specification is responsible for defining fiber optic standards.
- A.
802.08
- B.
802.03
- C.
802.11
- D.
802.05
- 23.Which motherboard type uses a riser card?
- A.
ATX
- B.
BTX
- C.
CTX
- D.
Micro ATX
- E.
NLX
- 24.Which of the following contain Type II and can be inserted on a Laptop port?
- A.
SRAM
- B.
PCRAM
- C.
PCMCIA
- D.
AGP
- E.
PCMMIA
- 25.Select the true statement/s about the Express Card.
- A.
Uses more voltages than Card Bus(1.5 and 6)
- B.
Connect to PCI Express or USB
- C.
Is 80mm or 114mm wide
- D.
Uses lower voltages than Card Bus (1.5 and 3.3)
- E.
Can reach a speed of 160 Mb/s
- 26.What standard is used by Wireless?
- A.
802.05
- B.
802.11
- C.
802.00
- D.
800.06
- E.
800.11
- 27.Which of the following questions is the most appropriate when troubleshooting?
- A.
Can you show me how to reproduce the problem?
- B.
Why did you install this software?
- C.
Do you know how to start the Disk Management tool?
- D.
How many beeps can you hear?
- E.
Did you back up your data?
- 28.Which key you select to access the safe mode start up options?
- A.
Press Esc when the computer start up
- B.
Press F1 after windows has loaded
- C.
Press F8 at computer start up
- D.
Press ctrl+alt+delete at computer start up
- E.
After the computer log in press the windows logo key
- 29.Select the true statement about the registry files in Windows 2000 or XP. All that apply
- A.
The registry files are named User.dat and System.dat
- B.
Hkey_current_machine is one of the section
- C.
Can be edited typing regeditor
- D.
Hkey_classes_root is one of the section
- E.
Modification to the registry could cause instability
- 30.You smell smoke and notice that a fire has started inside your computer. The fire extinguisher you reach for should have what rating? Select all that apply.
- A.
Class A
- B.
Class B
- C.
Class C
- D.
Class D
- E.
Class ABC
- 31.What does Windows use to encrypt the user authentication process over a LAN?
- A.
IMAP
- B.
HTTPS
- C.
Kerberos
- D.
RAID
- E.
WEP
- 32.UDP is part of the..
- A.
Application Layer
- B.
Network/Internet Layer
- C.
Transport Layer
- D.
Data link layer
- E.
Physical
- 33.Which Bus feature allows devices to bypass the processor and write their information directly to the main memory?
- A.
IRQs
- B.
DMA channels
- C.
I/O addresses
- D.
Bus Mastering
- E.
Striping
- 34.Which of the following options offer the slowest transfer speed between a printer and a computer?
- A.
Serial
- B.
Parallel
- C.
USB
- D.
Network connection
- 35.Which type of RAM is used in laptops?
- A.
SIMM
- B.
SODIMM
- C.
DIMM
- D.
RIMM
- E.
CRIMM
- 36.You suspect that a device driver is not loading properly. Which DOS configuration file would you check?
- A.
Autoexec.bat
- B.
System.ini
- C.
Config.sys
- D.
Boot.ini
- 37.Which voltage is used to transfer the toner to the paper in an EP process laser printer?
- A.
-600VDC
- B.
+6000VDC
- C.
+600VDC
- D.
+400VDC
- E.
-100VDC
- 38.Which of the following are page-description languages? Select all that apply.
- A.
Page Description Language
- B.
PostScript
- C.
PageScript
- D.
Printer Control Language
- E.
None of the above
- 39.Which components inside the CPU holds data before and after processing?
- A.
ALU
- B.
FRU
- C.
Pipeline
- D.
Registers
- E.
RAM
- 40.You want to perform an upgrade of your client workstation. Which of the following Operating Systems support an upgrade to XP Professional?
- A.
Windows 98
- B.
Windows 95
- C.
Windows 2000 Professional
- D.
NT 4 workstations
- E.
NT 3.51 and NT 3.5 workstations
- 41.Which type of printer can be used with multipart forms?
- A.
Bubble-jet printers
- B.
Dot-matrix printers
- C.
HP process laser printers
- D.
EP process laser printers
- E.
Scanner
- 42.What type of cabling looks similar to the cable used to connect cable television?
- A.
Twisted-pair
- B.
Coaxial
- C.
Fiber-optic
- D.
Wireless
- E.
Parallel
- 43.Which topology uses the least amount of cabling, but also covers the shortest distance?
- A.
Bus
- B.
Star
- C.
Mesh
- D.
Hybrid
- E.
Router
- 44.Your computer has Windows 2000, and you want to change the resources assigned to a printer port. How can you do that?
- A.
Select Start/Settings/Printers and double click the printer
- B.
On the start menu select run and type printers
- C.
In Device manager highlight the port and click properties
- D.
Click on My computer and select printers
- 45.What is the best method for preventing ESD damage?
- A.
Antistatic mat
- B.
Antistatic spray
- C.
Antistatic wrist strap
- D.
Antistatic thinking
- E.
Touch the chassis of the computer
- 46.Which wireless IEEE standard operates on the 2.4GHz radio frequency and transmits data at a maximum of 11 Mbps?
- A.
802.11b
- B.
802.11c
- C.
802.11n
- D.
802.11g
- E.
802.11e
- 47.You get a blank page from your laser printer. What would you check? Select all that apply
- A.
Corona assembly
- B.
The drum
- C.
High voltage power supply
- D.
The toner
- E.
The type of paper
- 48.The IP 192.100.20.1 is part of class______
- A.
A
- B.
B
- C.
C
- D.
D
- E.
There are no class
- 49.Antistatic wrist straps should be connected to which hole in an outlet?
- A.
Short slot
- B.
Long slot
- C.
Round hole
- D.
On a plastic object
- 50._______contain information about harmful chemicals, their properties and safety information.
- A.
ESD
- B.
MSDS
- C.
CFM
- D.
EPA
- E.
TCP
- 51.A customer complains that he can't get his computer to work. When he turn it on, he gets no video and hear one long beep, followed by two short beeps. Upon further examination you are able to reproduce the problem. What is your next step?
- A.
Upgrade the PC's BIOS to the newest version.
- B.
Replace the motherboard
- C.
Replace the Ram
- D.
Replace the video card
- E.
Nothing of the above
- 52.Which laptop input device is a flat surface that you can draw on with your finger to control the mouse pointer?
- A.
Touchpad
- B.
Touchball
- C.
Touchpoint
- D.
Touchway
- E.
Touchpin
- 53.You are printing one page on a laser printer, but you get several pages with strange words. What should you do?
- A.
Print until you get the page you want
- B.
Update Windows
- C.
Print from a different printer
- D.
Update the printer drivers
- E.
Change the toner
- 54.A user is getting a 301 error when she turns on the computer. What is the possible cause?
- A.
A virus on the boot sector
- B.
A user error
- C.
Dust and dirt on the power supply fan
- D.
Bad Ram
- E.
A book lying on the keyboard during system startup
- 55.What layer also describes the unique physical address for each NIC (MAC)?
- A.
Physical
- B.
Network
- C.
Data link
- D.
Transport
- E.
Application
- 56.A ____ error at system startup means bad memory
- A.
101
- B.
140
- C.
300
- D.
201
- E.
404
- 57.A Molex connector supply electricity to which of the following devices?
- A.
Floppy drives
- B.
Hard drives
- C.
Optical drives
- D.
Thumb drives
- E.
Disk drives
- 58.Which power device would be best to attach to your computer if you were having undervoltage power problems?
- A.
Surge protector
- B.
UPS
- C.
Line conditioner
- D.
SPS
- E.
USPS
- 59.You didn't receive the MSDS with your product. Where can you find one? Select all that apply
- A.
In every bookstore
- B.
The Manufacturer
- C.
You request it at the Department of Information
- D.
The internet
- E.
You can't request it
- 60.Which of the following statements about flashing the BIOS is false?
- A.
You cannot recover from a failed BIOS flash
- B.
Some kind of flashing utility is required
- C.
A BIOS backup is not necessary
- D.
The BIOS can be downloaded from the motherboard's support website
- 61.Place the following sequences, in removing expansion cards, in order. 1. Once the board is out, place it in an atistatic bag to help prevent ESD. 2. Grasp the board by the top edge with both hands and rock it front to back. 3. Remove any mounting screws that are holding the board in place and place the screws somewhere where they won't be lost. 4. Remove any internal or external cables or connectors.
- A.
4,3,2,1
- B.
1,2,3,4
- C.
2,4,3,1
- D.
2,3,1,4
- 62.Which of the following memory system can detect single bit and multibit errors and can slow down your computer performance of 2%?
- A.
Parity
- B.
EMI
- C.
ECC
- D.
DDR
- E.
Non Parity
- 63.Which of the following file systems can you select, when you want to install XP Professional?
- A.
FAT 16
- B.
FAT 32
- C.
UDF
- D.
NTFS
- E.
FAT 18
- 64.What is either hardware or software that protects your computer from malicious users?
- A.
IMAP
- B.
Router
- C.
Firewall
- D.
Gateway
- E.
Windows
- 65.Grayware is a type of _____
- A.
Virus
- B.
Pentium instruction
- C.
New technology used in HDD
- D.
Malware
- E.
Worm
- 66.In Windows 2000 the start up process begin with the Post and finish with the log on. Select the correct sequence of the process.
- A.
Kernel initialization, loading services, choosing OS
- B.
Initial Boot Strap Loading, Loading services, Kernel initialization, choosing OS
- C.
Initial Boot Strap Loading, Choosing OS, Loading service drivers,Kernel initialization, Loading Services
- D.
Choosing OS, Loading service drivers, kernel Initialization,Loading Services
- E.
Choosing OS, Kernel initialization, Loading services
- 67.What is the BIOS-ACPI in a Laptop?
- A.
An Encription feature
- B.
A new Bus
- C.
A Power Supply
- D.
A Power Management Specification
- E.
A new Software to manage the BIOS
- 68.Which of the following contains Errors, Warnings, and Information?
- A.
Msconfig
- B.
Event viewer
- C.
Device manager
- D.
Event manager
- E.
Windows utility viewer
- 69.Which System files are needed to create a boot disk?
- A.
System.dat; command.com; system.ini
- B.
Autoexec.bat; system.ini; NTLDR
- C.
System.sys; Boot.ini; Desktop.ini
- D.
Boot.ini; NTLDR; Ntdetect.com
- E.
Boot.ini; ntfs.sys; config.sys
- 70.If you disable the SSID Broadcast, what happen?
- A.
You won't be connected
- B.
You won't be protected
- C.
You don't see your network name
- D.
It prevent EMI
- E.
You don't see any network
- 71.Select the Dos command that check and repair files and bad sector in XP.
- A.
Cleanmgr
- B.
Chkdsk
- C.
Scannow
- D.
Scandsk
- E.
Command scan
- 72.Identify the function of a CRIMM.
- A.
It is a mix of RIMM and CRAM
- B.
It is a new type of memory Rambus
- C.
It is a new CPU technology
- D.
Used to fill open memory slot with Rambus memory
- E.
Its a type of Slot
- 73.Which socket type is commonly used on the Pentium IV chip?
- A.
Slot 1
- B.
Socket 478
- C.
Socket A
- D.
Super Socket
- E.
Slot A
- 74.________ is the most efficient method of cleaning dust from inside a computer.
- A.
Vacuuming the dust out
- B.
Washing the dust out with soap and water
- C.
Dusting with a cloth
- D.
Blowing the dust out with compressed air
- 75.Which motherboard design style is the most popular?
- A.
AT
- B.
Baby AT
- C.
ATX
- D.
BTX
- E.
NLX
- 76.Which is the standard of Firewire?
- A.
IEEE 1668
- B.
1394
- C.
1284
- D.
1294
- E.
ISO 294
- 77.What is the process that involves skipping sectors to write the data, instead of writing sequentially to every sector
- A.
Interleaving
- B.
Interlacing
- C.
Interskipping
- D.
Threading
- E.
Clocking
- 78.Which of the following is the new encryption type for wireless?
- A.
WPA
- B.
WPA-PSK
- C.
WEP2
- D.
WEP
- E.
WPA2
- 79.What's the difference between ADSL and DSL?
- A.
There are no differences
- B.
Just the letter A
- C.
The DSL is a wireless technology
- D.
The volume of data flow is greater in one direction than the other
- E.
The volume of data flow is the same, but adsl is more expensive and more secure than dsl
- 80.Select the true statements about smart cards. All that apply.
- A.
Contain a CPU
- B.
Come in two forms: contact and contactless
- C.
They have file system configurations
- D.
Windows support multiple authentication
- E.
All of the above
- 81.Hibernation feature copies the contents of RAM to the hard drive before the system shut down.
- A.
True
- B.
False
- 82._________ is an interface that allow you to interact with the computer rather than type commands.
- A.
Task Manager
- B.
GUI
- C.
DOS
- D.
Windows
- E.
Graphic Manager
- 83.Which of the following tools is used to increase the performance when the computer is slowing down? Select all that apply
- A.
Disk cleanup
- B.
Disk defragmenter
- C.
Drwtsn32
- D.
Msconfig
- E.
Sigverif
- 84.In a Laptop the________ is a PCMCIA type III.
- A.
RAM
- B.
NIC card
- C.
Hard Disk Drive card
- D.
TV card
- E.
Card bus
- 85.What power problem is an overvoltage condition that lasts for up to several seconds?
- A.
Spike
- B.
Surge
- C.
Sag
- D.
Blackout
- 86.Select the true statement about Plenum cable. Select all that apply.
- A.
It must be not easily flammable
- B.
Used in open space
- C.
Doesn't emit toxic smoke
- D.
Is a PVC cable
- E.
Used inside the PC
- 87.What is the process of storing additional data on the HDD and treating it as additional memory.
- A.
Overclocking
- B.
Swapping
- C.
HyperThreading
- D.
Throttling
- E.
Parity
- 88.Windows 2000 was made available in the following editions ___ Select all that apply.
- A.
Professional
- B.
Server
- C.
Ultimate
- D.
Advanced Server
- E.
Home Edition
- 89.When a device is able to be replaced while a computer is powered on and running, we are refering to ____
- A.
Hot-Swappable
- B.
Swappable
- C.
Paging
- D.
Pinging
- E.
Removing
- 90.In a Laptop what is the function of the Fn key?
- A.
Reboot the computer
- B.
If you press it once give you the system information
- C.
Used with another key provide an action
- D.
Print a page
- E.
It doesn't exist a Fn key
- 91.Mini PC Slot is
- A.
16 bit 33 MHz
- B.
16 bit 66 MHz
- C.
32 bit 33 MHz
- D.
64 bit 33 MHz
- 92.In Windows Backup tool, when you click on advanced mode which options do you have?
- A.
Backup Wizard and Restore Wizard
- B.
Backup Wizard, Restore Wizard, Automated System Recovery Wizard
- C.
Backup Wizard, Restore Wizard, Automated System Recovery Wizard and switch to Wizard mode
- D.
Backup Wizard and switch to Wizard mode
- E.
Backup Wizard, Restore Wizard, switch to Wizard mode
- 93.How do you unlock a computer in a domain?
- A.
Ctrl+alt
- B.
Ctrl+windows logo
- C.
Windows logo+alt
- D.
Ctrl+alt+delete
- E.
Fn+u
- 94.The distance between two pixels in a monitor is indicated by?
- A.
Dot pitch
- B.
Line pitch
- C.
Dot resolution
- D.
Dot size
- E.
Refresh rate
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