A+ Essentials Exam
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
Correct Answer
C. None -
- 2.
Select the System Utility used in Windows XP to check System Files.
- A.
Scandisk
- B.
Eventviewer
- C.
Sfc
- D.
Msconfig
- E.
Dxdiag
Correct Answer
C. SfcExplanation
sfc.exe is System File Checker.Rate this question:
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- 3.
What device enables you to enter data using your fingers?
- A.
Bar reader
- B.
Scanner
- C.
Webcam
- D.
Touch screen
- E.
Touch flat
Correct Answer
D. Touch screen -
- 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
Correct Answer
C. Clean the mouseExplanation
A ball mouse get dirtyRate this question:
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- 5.
Thin Film Transistor is used in ....
- A.
Passive matrix
- B.
In CRT monitors
- C.
Active matrix
- D.
In Mac Os
- E.
In modems
Correct Answer
C. Active matrix -
- 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
Correct Answer(s)
B. 8 bits at a time
C. 1 byte 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
Correct Answer
C. It charges the paper so that the toner sticks to the paper -
- 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
Correct Answer
C. FORMAT A: /S -
- 9.
Which universal command is used to access a computer's CMOS settings?
- 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
Correct Answer
D. There is no universal way of accessing CMOS -
- 10.
PCI has a bus width of____ bits. Select all that apply.
- A.
30
- B.
8
- C.
32
- D.
64
- E.
16
Correct Answer(s)
C. 32
D. 64 -
- 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
Correct Answer
B. Check the obvious -
- 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
Correct Answer
B. 0 -
- 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
Correct Answer
B. Phillips head screw driver -
- 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
Correct Answer
B. Allows a controller on the bus to talk to other devices without going through the CPU -
- 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
Correct Answer
B. You should never interrupt -
- 16.
How many IDE controller can be attached to a motherboard?
- A.
1
- B.
3
- C.
2
- D.
4
- E.
7
Correct Answer
C. 2 -
- 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
Correct Answer
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
Correct Answer
B. Are used to protect against crosstalkExplanation
Crosstalk is the noise created from adjacent pairs.Rate this question:
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- 19.
A multimeter measures ______ Select all that apply
- A.
Amperes
- B.
Volts
- C.
Radio signal
- D.
Ohms
- E.
Surges
Correct Answer(s)
A. Amperes
B. Volts
D. Ohms -
- 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
Correct Answer
D. MT-RJExplanation
Mechanical Transfer Registered Jack is the acronym of MT-RJRate this question:
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- 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
Correct Answer
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
Correct Answer
A. 802.08 -
- 23.
Which motherboard type uses a riser card?
- A.
ATX
- B.
BTX
- C.
CTX
- D.
Micro ATX
- E.
NLX
Correct Answer
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
Correct Answer
C. PCMCIAExplanation
PCMCIA has Type I , Type II, Type III and Type IV. This one is not yet standardized. Type IV is the thickestRate this question:
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- 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
Correct Answer(s)
B. Connect to PCI Express or USB
D. Uses lower voltages than Card Bus (1.5 and 3.3) -
- 26.
What standard is used by Wireless?
- A.
802.05
- B.
802.11
- C.
802.00
- D.
800.06
- E.
800.11
Correct Answer
B. 802.11Explanation
There are five protocols 802.11 a/b/g/y/nRate this question:
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- 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?
Correct Answer
A. Can you show me how to reproduce the problem? -
- 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
Correct Answer
C. Press F8 at computer start up -
- 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
Correct Answer(s)
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
Correct Answer(s)
C. Class C
E. Class ABCExplanation
Class C fire hazards are those included in live electrical equipment.Rate this question:
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- 31.
What does Windows use to encrypt the user authentication process over a LAN?
- A.
IMAP
- B.
HTTPS
- C.
Kerberos
- D.
RAID
- E.
WEP
Correct Answer
C. Kerberos -
- 32.
UDP is part of the..
- A.
Application Layer
- B.
Network/Internet Layer
- C.
Transport Layer
- D.
Data link layer
- E.
Physical
Correct Answer
C. Transport Layer -
- 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
Correct Answer
B. DMA channelsExplanation
While the Bus mastering allow devices to write directly to each other.Rate this question:
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- 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
Correct Answer
A. Serial -
- 35.
Which type of RAM is used in laptops?
- A.
SIMM
- B.
SODIMM
- C.
DIMM
- D.
RIMM
- E.
CRIMM
Correct Answer
B. SODIMM -
- 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
Correct Answer
C. Config.sys -
- 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
Correct Answer
C. +600VDCExplanation
Because the toner on the drum has a slight negative charge -100VDC, it require a positive charge to transfer it to the paper.Rate this question:
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- 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
Correct Answer(s)
B. PostScript
D. Printer Control Language -
- 39.
Which components inside the CPU holds data before and after processing?
- A.
ALU
- B.
FRU
- C.
Pipeline
- D.
Registers
- E.
RAM
Correct Answer
D. Registers -
- 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
Correct Answer(s)
A. Windows 98
C. Windows 2000 Professional
D. NT 4 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
Correct Answer
B. Dot-matrix printers -
- 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
Correct Answer
B. Coaxial -
- 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
Correct Answer
A. Bus -
- 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
Correct Answer
C. In Device manager highlight the port and click properties -
- 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
Correct Answer
C. Antistatic wrist strap -
- 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
Correct Answer
A. 802.11bExplanation
The 802.11g can transmits data at up to 54 MbpsRate this question:
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- 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
Correct Answer(s)
A. Corona assembly
C. High voltage power supply
D. The toner -
- 48.
The IP 192.100.20.1 is part of class______
- A.
A
- B.
B
- C.
C
- D.
D
- E.
There are no class
Correct Answer
C. CExplanation
Class C start at 192.0.1.1 to 223.255.254.254Rate this question:
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- 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
Correct Answer
C. Round holeExplanation
Some anti static wrist strap won't fit in the hole. The Ground/eart is usually indicated by a round hole. Another method is to attach the clip on the anti static mat or on the computer chassis.Rate this question:
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- 50.
_______contain information about harmful chemicals, their properties and safety information.
- A.
ESD
- B.
MSDS
- C.
CFM
- D.
EPA
- E.
TCP
Correct Answer
B. MSDSExplanation
MSDS stands for Material Safety Data Sheets.Rate this question:
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Current Version
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Sep 20, 2017Quiz Edited by
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Sep 14, 2007Quiz Created by
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