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A+ CORE HARDWARE SERVICE TECHNICIAN (220-221)

1. By default, which address does the secondary IDE controller use?
A. 100H*
B. 170H
C. 1F0H
D. 300H

2. Which of the following chips are Slot A compatible?
A. Pentium 233 MMX
B. PII 233
C. PIII 800
D. AMD Athlon*

3. A User reports his network laser printer won’t print. The printer is online, showing no errors. What could be the problem?
A. Press the Reload button on the printer.
B. Delete the existing print jobs from the print buffer.*
C. Click print until the buffer clears.
D. The printer setting is set to print offline.

4. A user cannot log onto the LAN with an IPX/SPX card. No other computers are reporting problems. Oddly, the computer can access some resources but NOT ALL. What is most likely the problem?
A. Server down.
B. Bad patch cables.
C. Incorrect username and password.
D. Incorrect frame type.*

5. Which of the following is NOT a feature of a machine protected by a UPS?
A. Long term power supply.*
B. Short term power supply.
C. Surge protection.
D. Power lag protection.

6. In a dot matrix printer, what strikes the paper to create the intended image?
A. Pins*
B. Hammer
C. Character Wheel
D. Electromagnets

7. What is the minimum cable type for 10baseT?
A. Cat 3*
B. Cat 4
C. Cat 5
D. Cat 6

8. What is the highest possible ID on a 3 jumper block SCSI device?
A. 3
B. 6
C. 7*
D. 15
E. 32

9. What has occurred when HDD fails, making a grinding noise?
A. Controller failure.
B. The Read/Write head is in contact with the platter.*
C. Hard drive is in power save.
D. Hard drive is in labor.

10. What is the POST code for FDD failure?
A. 3xx
B. 2xx
C. 5xx
D. 6xx*
E. 7xx

11. You get a CMOS checksum error upon boot. What is the most likely cause?
A. Power supply failure.
B. BIOS needs updating.
C. CMOS battery is nearing end of life.*
D. HDD types are incorrectly defined.

12. Which devices have similar looking connectors? (Choose Two)
A. USB
B. PS/2 Mouse*
C. ATX Keyboard*
D. Parallel Printer.
E. SCSI Scanner

13. A technician places a second HDD as a slave on the ONLY IDE controller. The primary drive is no longer detected. How should you troubleshoot this?
A. Replace the Primary HDD.
B. Replace the Secondary HDD.
C. Rejumper the CD-ROM
D. Jumper the second HDD as a master and test it alone.*

16. The mouse pointer moves erratically. What is the possible cause?
The Mouse:
A. Ball is dirty.*
B. Is not connected.
C. Driver is not installed properly.
D. Has an incorrect IRQ setting.

17. A workstation has been installed on a LAN, but is unable to communicate with the network. What should you do first?
A. Reinstall the protocol.
B. Reinstall the NIC driver.
C. Verify the IP configuration on the workstation.
D. Verify the link status on the NIC.*

18. Why would a laser printer print a blank page when the drum DOES have an image written on it?
A. Transfer corona failure.*
B. Bad communications between computer and printer.
C. Corrupt driver.
D. Rollers need lubrication.
E. Low Toner.
F. Fuser failure.

19. Which of the following types of memory are used in a computer? (Select Three)
A. RIMM*
B. SIMM*
C. DIMM*
D. VRTRAM
E. CRAM
F. PTRAM

20. What is the base address of the video card?
A. C000-C7FFF*
B. C000-CAAA
C. D000-D800
D. D000-DAAA

21. How do you differentiate an ATA/33 ATA/66 cable?
A. Cable color.
B. Cable pin out.
C. Twists in the cable.
D. Number of wires. *

22. How many devices can work on a single IDE channel?
A. 1
B. 2*
C. 3
D. 4

23. What IRQ provide interrupts 9 through 15?
A. 1
B. 2*
C. 3
D. 4

24. You place terminations on a SCSI bus with one internal hard drive and one external CD-ROM drive?
A. Terminate the hard drive only.
B. Terminate the SCSI interface card.
C. Terminate both the hard drive and CD-ROM drive.*
D. Terminate the SCSI card, hard drive and CD-ROM drive.

25. In a plug and play system, installing a second hard drive what determines the drive letter?
A. End user
B. Position on cable
C. Operating system*
D. Drive manufacturer

26. Purchased three new USB devices and want to add them to your laptop but you only have one IRQ available. How many IRQs will your USB modem, mouse and keyboard use?
A. 1*
B. 2
C. 3
D. 4

27. You replace your CMOS battery. What must you do next?
A. None FDISK.
B. Flash the BIOS.

C. Set the date and time. *
D. Format the hard drive.

28. By default, which address does the primary IDE controller?
A. 130H
B. 170H
C. 1F0H*
D. 300H

29. Where can you find the BIOS version ID?
A. System Properties.
B. BIOS setup screens.*
C. Motherboard manual.
D. On the back of the computer.

30. What must you do to attach a new IDE hard drive? (CHOOSE THREE)
A. Select a unique ID.
B. Set the termination jumpers.
C. Set the master/slave jumper. *
D. Ensure proper cable orientation.*
E. Install drive bay and secure it properly.*

31. A video resolution of 800 x 600 is equivalent to which video mode?
A. EGA
B. VGA
C. CGA
D. SVGA *

32. What does the BIOS do when a plug and play card is installed?
A. Looks for the manufacturer of the card.
B. Checks the processor ID for compliance.
C. Disables the other cards until the new card is installed.
D. Consults the ESCD to determine which system resources are available and needed for the card. *

33. How are SCSI ID numbers prioritized? (CHOOSE TWO)
A. 0 = lowest
B. 0 = highest*
C. 1 = lowest
D. 15 = lowest*
E. 15 = highest

34. What does memory mapped I/O do?
A. Maps IRQs to PCI interface cards.
B. Acquires a unique ID for each memory module.
C. Duplicates the contents of the ROM BIOS into RAM.

D. Uses the same address space for memory locations and peripheral devices. *

35. Which of these devices are designed for an AGP slot?
A. Hard drive
B. Serial port
C. Video card*
D. External storage device

36. Which of the following chips are Slot 1 compatible? (CHOOSE THREE)
A. Pentium 233 MMX
B. PII 233*
C. PIII 333*
D. PIII 800 *
E. AMD Athlon

37. Which motherboard types accept 5 pin DIN keyboard connectors? (CHOOSE TWO)
A. AT *
B. XT*
C. LT
D. ATX

38. You would have to enable int13h support on a SCSI controller card in order to use which device?
A. Scanner
B. Bernoulli
C. Tape device*
D. Bootable CD-ROM

39. Which type of connector is used by analog modems?
A. AUI
B. BNC
C. RJ-11*
D. RJ-45

40. What statistic measures the time it takes a CRT’s electron beam to paint the screen from top to bottom in a monitor?
A. Dot pitch
B. Interlacing
C. Video RAM
D. Refresh rate*

41. Which two ports are most often used to connect a digital camera to a computer?
A. USB Port*

B. SCSI Port
C. PS/2 Port
D. Parallel Port
E. RS-232 Port*

42. Which problems will not be recognized by initial POST?
A. Bad memory location. *
B. ROM BIOS configuration failure.
C. A stuck key or defective keyboard.
D. A RAM chip that fails at high temperature.*

43. A bent pin on a 3-door db-15 male connector plug could cause problems with which device or component?
A. Monitor*
B. Mouse
C. Printer
D. External modem

44. What is the first step in diagnosing a completely dead computer that was working fine the day before?
A. Test the power supply.
B. Replace the CMOS battery.
C. Check the AC outlet for voltage. *
D. Reseat the hard drive cable controller.

45. When you boot up your computer the light on the diskette drive lights up and stays lit. What does this mean?
A. Disk is in the drive.
B. No disk is in the drive.
C. The data cable is installed backwards.*
D. The diskette drive is functioning properly.

46. After inserting a floppy disk and accessing the A: drive, you get the error message “Drive A not ready, Abort, Retry, Fail.” What two things should you suspect first?
A. The drive is bad.
B. The floppy disk is bad.*
C. The drive cable is bad.
D. The power connector is loose.
E. The drive is dirty and needs to be cleaned. *

47. Which AT command is used to reset your modem’s configuration?
A. AT
B. ATD
C. ATH
D. ATZ*

48. Your modem will not detect a dial tone. What are the most two most likely reasons?
A. Cable is not plugged in. *
B. The phone line is defective.*
C. The modem is set for tone dial.
D. The Internet service provider is down.
E. The modem is set to disable call waiting.

49. A non-parity 168-pin SDRAM DIMM is how many bits?

A. 16
B. 32
C. 64*
D. 8
E. 128

50. Which of the following devices does SCSI support? (Choose 3)
A. CD-ROM*
B. Tape*
C. Modem
D. HDD*
E. Video Card
F. Sound Card

51. Which type of connector is used by modems?

A. AUI
B. BNC
C. RJ-11*
D. RJ-45

52. If a computer suddenly restarts and light flicker, which event probably just occurred?
A. Electrical sag.*
B. Electrical surge.
C. Prolonged power outage.
D. Power overload and circuit shutdown.

53. Which of the following settings are set in the EEPROM of a NIC? (Choose Three)
A. IRQ*
B. Protocol
C. IP Address
D. I/O address*
E. MAC Address*

54. Which component on a printer should you check first when an error code indicates a paper jam but no paper is in the printer?
A. Tractors
B. Print head
C. Platen folder
D. Paper-Feed Sensors*

55. You install a large replacement hard drive in a users PC, however the system doesn’t recognize the full size what is the problem?
A. Damaged HD
B. Incorrect Settings on the Jumper (I think)
C. Y2K problem
D. BIOS only supports the minimum/maximum size*

56. Which of the following are considered to be consumables on a printer (Choose Two).
A. Print Heads.
B. Ribbons.*
C. Corona Wires.
D. Paper*

57. Which drive letter will be assigned to the drive at the end of the cable twist?
A. A*
B. B
C. C
D. D

58. How many IRQ’s does a chain of USB devices require?
A. 1*
B. 2
C. 3
D. 4

59. Which of the following devices does SCSI support? (Choose 3)
A. CD-ROM*
B. Tape*
C. Modem
D. HDD*
E. Video Card
F. Sound Card

60. A customer calls and states that her computer will not boot. She hears noises and sees lights inside the box, but nothing shows up on the monitor. Which of the following is most likely the problem?
A. HDD
B. Video Card*
C. Power Cable
D. Power Supply

61. After installing a sound card, the system locks up when a parallel port tape backup unit also runs. Which of the following is most likely the problem. (Choose Two)
A. IRQ*
B. DMA*
C. Defective LPT port.
D. Defective tape driver.
E. Defective sound card.

62. You just installed a new HDD. The system BIOS will not recognize it. Which of the following should you check first?
A. Cable Sequence.
B. Jumper selection for Slave/Master on the HDD.*
C. Drivers.
D. Web Site for HDD manufacturer.

63. What can be done when a system’s IDE controller fails? (Choose Two)
A. Replace the motherboard.*
B. Install and add-on card.*
C. Replace the HDD.
D. Replace the cable.

64. The computer is unable to boot from a floppy? Which of the following is most likely the problem? (Choose Two)
A. The drive is defective.*
B. The floppy is formatted in FAT 16.
C. The boot sequence is setup incorrectly in the system’s BIOS.*
D. The HDD has more than one partition defined.

65. Which of the following is the first step in diagnosing a dead computer that worked fine only yesterday?
A. Test the power supply.
B. Replace the CMOS battery.
C. Check the AC outlet.*
D. Reseat the HDD cables.

67. A customer just installed a new CD-RW. The system was working fine before the installation, but now the CD-ROM is inoperable. What should you suggest the customer should do?
A. Flash the BIOS.
B. Check the CONFIG.SYS
C. Add the CD-RW in the device manager.
D. Check the jumper settings on the CD-RW.*

68. The resolution on a new 19” Ultra VGA monitor was set to 640x480 at 16 colors. You change the resolution to 800x600, high color (16-bit), and the monitor goes blank. What is most likely the problem?
A. The video card is using an IRQ.
B. The video card is not installed properly.
C. The monitor’s trapezoid setting is off.
D. The refresh rate is too fast for the monitor.*

69. What is your first action when your HDD reports that it is developing bad sectors?
A. Replace the drive.
B. Run SECCLEAN from DOS.
C. Run DEFRAG.
D. Run SCANDISK with the “Thorough” option selected.*

70. A customer calls and states that the computer reboots on its own. What is more than likely the cause?
A. The BIOS is set to reboot periodically.
B. The external SCSI CD-RW is using too much power.
C. The CMOS is configured to power-cycle periodically.
D. The power supply is not providing enough power to the system.*

71. With respect to a NIC, the term 10/100 refers to:
A. Protocol speed.
B. Fiber Optic Speed.
C. Megabits per second.*
D. Minimum and Maximum speeds.

72. When installing a new printer, which of the following are possible causes of several lines of code being printed followed by several blank pages? (Choose Two)
A. Wrong printer driver.*
B. Empty toner cartridge.
C. Overloaded paper tray.
D. Loose printer cable.
E. Faulty surge protector.*

72. How is ink transferred to paper in common Ink-Jet printers? (select 2)
A. Boiling ink.*
B. Crystal.*
C. Motorized pump.
D. Ink is sprayed on by a nozzle.

73. Which of the following cable types is required for 100BaseT cable?
A. Cat 1
B. Cat 2
C. Cat 3
D. Cat 5*

74. Which of the following is most likely the cause of a CMOS Checksum error upon boot?
A. Faulty power supply.
B. Faulty RAM.*
C. Faulty Processor.
D. HDD types incorrectly defined.

75. How are SCSI numbers prioritized? (Choose Two)
A. 0=lowest
B. 0=highest*
C. 1=lowest
D. 15=lowest*
E. 15=highest

76. What is different about a Vacuum for a computer compared to a standard Vacuum?
A. Less ESD.*
B. More ESD.
C. Blows less forcefully.
D. Sucks less forcefully.

77. How many bits wide is the data bus for a 168 pin DIMM?
A. 16 bit.
B. 32 bit
C. 64 bit*
D. 128 bit

78. Which of the following needs to be used for networking two PC’s using Ethernet peer to peer over RJ-45 cabling?
A. Power cable.
B. Printer cable.
C. HDD cable.
D. Crossover cable.*

79. What is the main communication method between PDA’s.
A. Infrared.*
B. USB.
C. RS-232
D. IEEE 1394

80. A customer wants to add a 2nd IDE HDD to a machine that has only one IDE port. It already has a HDD and CD-ROM. What should the customer do?
A. Add a SCSI controller.
B. Connect it to a spare floppy connector.
C. Install a 4-device IDE cable.
D. Add an IDE add-on card.*

81. What are the minimum hardware components required for a POST to complete?
A. CPU*
B. RAM*
C. Mouse
D. HDD
E. Video Card*

82. How do you differentiate an ATA/33 cable from an ATA/66 cable?
A. Cable color.
B. Cable Pin outs.
C. Twists in the cable.
D. The number of wires.*

83. How many devices can function on a single IDE channel?
A. 1
B. 2*
C. 3
D. 4

84. Which interrupt is cascaded to provide interrupts 9 through 15?
A. 1
B. 2*
C. 3
D. 4

85. How should you place terminations on a SCSI bus with one internal HDD and one external CD-ROM?
A. Terminate the HDD only.
B. Terminate the SCSI interface card.
C. Terminate both the HDD and the CD-ROM.*
D. Terminate the SCSI card, HDD, and the CD-ROM.

86. When installing a second HDD, what determines the drive letter.
A. End user
B. Positioning of the cable.
C. Operating system*
D. Drive manufacturer.

87. You replace your CMOS battery. What must you do next?
A. Run FDISK.
B. Flash the BIOS.
C. Set the date and time.*
D. Format the HDD.

88. By default which address does the primary IDE controller use?
A. 130H
B. 170H
C. 1F0H*
D. 300H

89. Where can you find the BIOS version ID?
A. System properties.
B. BIOS startup screen.*
C. Motherboard manual.
D. On the back of the computer.

90. What must you do to attach a new IDE HDD? (Choose Three)
A. Select a unique ID.
B. Set the termination jumpers.
C. Set the master/slave jumper.*
D. Ensure proper cable oreintation.*
E. Install it in the drive bay and secure it.*

91. A video resolution of 800x600 is equivalent to which video mode?
A. EGA
B. VGA
C. CGA
D. SVGA*

92. What does the BIOS do when a plug and play card is installed?
A. Looks for the card manufacturer.
B. Checks the processor for compliance.
C. Disables other cards until the added card is installed.
D. Consults the chipset to determine which system resources are available for the card.*

93. What does memory mapped to I/O do?
A. Maps IRQ’s to PCI cards.
B. Acquires a uniqe ID for each memory module.
C. Duplicates the contents of the ROM BIOS into RAM.
D. Uses the specified memory address for peripherals.*

94. Which of the following devices are designed for an AGP slot?
A. HDD
B. Serial Port
C. Video Card*
D. External Storage Device.

95. Which of the following are Slot 1 Compatible? (Choose Three)
A. PII 233*
B. Pentium 233 MMX
C. PII 333*
D. PIII 800
E. AMD Athlon*

96. Which motherboard accepts a 5 DIN keyboard connector? (Choose Two)
A. AT*
B. XT*
C. LT
D. ATX

97. You would have to enable the INT 13H on a SCSI controller card in order to use which device?
A. Scanner
B. Bernoulli
C. Tape Device*
D. Bootable CD-ROM

98. Which type of connector is used by modems?
A. AUI
B. BNC
C. RJ-11*
D. RJ-45

99. What statistic measure the time it takes the CRT’s electron beam to paint the
screen from top to bottom?
A. Dot Pitch.
B. Interlacing.
C. Video RAM.
D. Refresh Rate.*

100. Which two ports are most often used to connect digital cameras?
A. USB port.*
B. SCSI port.
C. PS/2 port.
D. Parallel Port
E. RS-232 port.*

101. Which problems will not be detected by an initial post?
A. Bad memory location.
B. ROM BIOS configuration error.
C. A stuck key on a keyboard.
D. A RAM chip that fails at high temperature.*

102. A bent pin on a 3-door db-15 male connector plug would cause problems with which device or component.
A. Monitor.*
B. Mouse.
C. Printer.
D. External Modem.

103. When you boot your computer, the light on the diskette drive remains lit. What does this mean?
A. A disk is in the drive.
B. No disk is in the drive.
C. The data cable is inserted backwards.*
D. The diskette drive is functioning properly.

104. After inserting a floppy disk and accessing the A: drive, you get an error message stating “Drive A not ready, Abort, Retry, or Fail” what two things should you suspect first?
A. The drive is bad.
B. The floppy disk is bad.*
C. The drive cable is bad.
D. The power connector is loose.
E. The drive is dirty and needs to be cleaned.*

105. Which AT command is used to reset your modem’s configuration?
A. AT
B. ATD
C. ATH
D. ATZ*

106. Exhibit of a SIMM card at 45 degree angle being inserted into its slot.
Question: What is it?
A)16 pin DIP
B) DIMM
C) 30 pin SIMM
D) 72 pin SIMM*

107. While playing stereo CD audio, adjusting the left hand speaker’s volume from Windows, affects the right hand speakers instead. What are the most probable causes? (CHOOSE TWO)
A. An IRQ conflict exists.
B. The volume controls are muted.
C. An incorrect CD audio cable was used. *
D. Incorrect CODECs.
E. The right hand speaker is plugged in to the wrong connector on the sound card. *

108. Which memory module is shown in the exhibit? (No exhibit available-be sure you can distinguish between 30 and 70 pin SIMMs; in this particular exhibit, a 30 pin SIMM was shown)
A. DIPP
B. SIPP
C. 30 pin SIMM *
D. 72 pin SIMM

109. Which of the following is a consequence of enabling shadowing in a computer BIOS?
A. Instructions stored in various ROM chips are copied into RAM. *
B. Values are stored twice in memory for redundancy checking.
C. Conventional memory is remapped to the top of extended memory.
D. Data stored in RAM and adaptive card is shadowed into extended memory.

110. Which component on a printer should you check first when an error code indicates a paper jam but no paper is in the printer?
A. Tractors
B. Print head
C. Platen folder
D. Paper-Feed Sensors *

111. You have just installed a new internal pci modem on you desktop. it will not dial out. what is the problem?
A. The port speed is set too high
B. the modem has not been set up in control panel properties
C. the phone line is plugged into the line-in port on the modem card *
D. the phone line out of the wall is plugged into the phone port on the modem card

112. What would cause a keyboard error message (choose 2)
A. stuck key*
B. pressing the F5 key
C. keyboard not plugged in*
D. pressing cntrl-alt-esc

113. You have just installed a 128 mb, 168 pinn on your atx. you already had 128 mb in 2 72 pin slots using simm. when you turn on your system, it's only recognizing 128 mb of ram total. which of the folling are possible causes? (choose 3)
A. you need to upgrad or update your bios
B. bios is not set to read both types of memory*
C. a jumper is not set to support both types of memory*
D. the motherboard only supports one type of memory at a time*
E. you need to remove on of the 72-pin memory chips so you have one of each

114. The monitor is displaying mostly green and not the normal colors. which of the following would cause this? (choose 2)
A. the monitor is defective*
B. the refresh rate is too fast
C. the resolution is set too high
D. a pin on the connector is bent*
E. the drivers are installed incorrectly

115. What should be used to extinguish a computer fire?
A. fire hose
B. class a extinguisher
C. class c extinguisher*
D. silver foam water

116. which device should not be plugged into a standard ups?
A. monitor
B. laser printer*
C. ink-jet printer
D. an external modem

117. all of the following voltage/current combinations should be considered dangerous, but which of these combinations is most likely to cause serious injury or death?
A. 120 volts dc at 5 amps*
B. 5 volts dc at 100 milliamps
C. 12 volts dc at 200 milliamps
D. 240 volts dc at 10 milliamps

118. Which processors will fit in the same socket? (choose 3)
a. amd k7
b. cyrix MII*
c. amd k6*
d. pentium II*
e. pentium MMX

119. How much video ram is needed to display 1024x768 at 24-bit color?
A. 1 MB
B. 4MB*
C. 8MB
D. 512KB

120. What are the advantages of the USB? (choose 3)
A. speed*
B. safety
C. security
D. expansion*
E. ease of configuration*

121. Click an area on the graphic that shows the keyboard connector

178. What new technology was added to the PIII?
A. mmx4
B. enhanced audio streaming
C. enhanced graphics capabilities
D. internet streaming SIMD extensions*

122. WRAM is used on a
A. modem
B. video card*
C. motherboard
D. ata connector

123. MMX was added to the pentium to:
A. improve printing speed
B. speed up modem access to the internet*
C. improve security when using win95/98
D. handle multimedia functions like sound and video

124. What are the major hard drive settings in the CMOS? (choose 3)
A. heads*
B. tracks
C. volume
D. sectors*
E. cylinders*

125. Which type of cable is most likely in use with rj-45 connectors?
A. 10base2
B. 10base5
C. 10baseT*
D. 10baseFL

126. When installing pci nics you can check the irq availability by looking at:
A. dip switches
B. config.sys
C. jumper settings
D. motherboard bios*

127. Which of the following are characteristics of p-to-p networking (choose 2)
A. router
B. tcp/ip protocol
C. centralized security and admin
D. limited number of computers involved*
E. computer acting as both a client and a server*

128. When configuring isa network interface cards without jumpers or plug and play, what is used to set the irqs?
A. dma
B. cmos
C. the OS
D. configuration software*

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