CompTIA A+ Complete

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Author:
royaltouchez
ID:
21715
Filename:
CompTIA A+ Complete
Updated:
2010-06-02 17:00:03
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CompTIA Exam Certification
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Description:
*UPDATING* Exam style questions, multiple choice, fill in the blanks and definitions.
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  1. To load the minimal number of drivers during boot, use the _______________ advanced boot option.
    Safe Mode
  2. To load all drivers except for video during boot, use the _____________ advanced boot option.
    VGA Mode
  3. Using Remote Desktop, the computer you are working from is called the ___________ computer.
    home
  4. Using Remote Desktop, you must have _____________ installed to be a home computer.
    Remote Desktop Conneciton
  5. To automatically check and repair corrupt system files, use the _____________ commmand.
    SFC
  6. At command prompt, use the ______________ command to display a directory listing in alphabetical order.
    DIR /ON
  7. Which version of Windows uses ASR?
    Windows XP
  8. To optimize the speed of your hard drive, you should periodically _____________ the drive.
    defragment
  9. The _____________ file is responsible for loading the NTOSKRNL.EXE file.
    NTLDR
  10. System, Application, and Security logs are stored in the ______________ applet.
    Event Viewer
  11. The ________________ file detects hardware on Windows 2000/XP system.
    ntdetect.com
  12. The process of creating logical divisions on a hard drive is called.
    partitioning
  13. In Windows, the partition that loads the operating system is called the _______________ partition.
    Active
  14. The ________________ is the filesystem that allows for individual file-level security.
    NTFS
  15. The _______________ filesystem is backward compatible with Windows 98.
    FAT (or FAT32)
  16. To back up your files, use the ____________ program.
    Backup
  17. To rearrange the files on your hard disk so they occupy contiguous spaces on the hard drive, use the ____________ utility.
    Disk Defragmenter
  18. In Windows 2000/XP, filenames are limited to ____________ characters.
    255
  19. To access Windows Help, you can press the ____________ key.
    F1
  20. To make assigning file permissions easier, special permissions are organized into ________________.
    standard permissions
  21. To install an unsigned device driver in Windows XP, you must be ___________________.
    an administrator
  22. In Windows 2000 and Windows XP, you only need to reboot after ________________ the swap file size.
    decreasing
  23. To delete a page file, you need to __________________________.
    set the minimum and maximum sizes to 0
  24. To speed up the performance of your hard disk by placing files contiguous blocks, run the ________________.
    disk defragmenter (or defrag.exe)
  25. A small amount of memory used to hold data frequently accessed from the hard disk is called a _________________.
    disk cache
  26. A file that is designed to hold information for a short amount of time and then be deleted is called a __________________.
    temporary (or temp) file
  27. When identifying laptop power requirements, always pay attention to how many _______ and ________ the laptop requires.
    Volts and Amps
  28. If you are plugging a laptop into a wall, you will use what type of power adapter?
    AC
  29. If you are plugging a laptop into an outlet on an airplane, you will use what type of power adapter?
    DC
  30. The ________________ is responsible for generating a video image and sending it to the screen.
    video card
  31. The _____________ is responsible for illuminating the screen and making it readable.
    backlight
  32. The ________________ is responsible for providing power to the backlight.
    inverter
  33. Flickering screens or dim screens are most likely caused by a malfuctioning __________________.
    inverter
  34. Splitting RAM between the system and the video card on a laptop is called _______________.
    video memory sharing
  35. The network plug on most laptops, used for 10BaseT cabling, is what type of connector?
    RJ-45
  36. To properly remove laptop hardware, use the ______________ icon in the system tray.
    Safely Remove Hardware
  37. The first step in troubleshooting is to ________________.
    Talk to the customer
  38. The last step in troubleshooting is to __________________.
    Document your work
  39. The ______________ file bootstraps Windows 2000/XP.
    NTLDR
  40. The _____________ file contains information about operating systems installed on the computer.
    BOOT.INI
  41. If you are dual-booting with Windows 98, the _______________ file keeps information on the Windows 98 boot sector.
    BOOTSECT.DOS
  42. The _______________ file holds the Windows 2000/XP kernel.
    NTOSKRNL.EXE
  43. The __________________ advanced boot option loads only basic drivers including those for the keyboard and mouse.
    Safe Mode
  44. The _______________ advanced boot option loads all drivers except for video drivers.
    VGA Mode
  45. The ______________ advanced boot option is useful if you have made changes to the Registry that cause the system to not function properly.
    Last Known Good Configuration
  46. The ________________ utility can be used to correct problems with corrupt files or disk errors, such as cross-linked files.
    CHKDSK
  47. The _______________ utility shows all hardware installed in the system and shows you if the hardware is disabled or not functioning properly.
    Device Manager
  48. The ____________ utility can be used to close down applications that are not responding.
    Task Manager
  49. Scheduled backups are created using the ____________ utility.
    Backup
  50. Restore points are created through the _____________utility.
    System Restore
  51. Which operating system is capable of creating restore points?
    Windows XP
  52. Which operating system uses Automated System Recovery?
    Windows XP
  53. Which operating system uses an Emergency Repair Disk?
    Windows 2000
  54. To obtain the latest driver for a piece of hardware, visit ______________ website.
    The device manufacturer's
  55. The ___________________ command is a command-line utility that can make files read-only or hidden.
    ATTRIB
  56. The ________________ is responsible for translating between hardware and the operating system.
    Hardware Abstraction Layer (HAL)
  57. When lifting computer equipment, always lift with your ________________.
    legs
  58. You should _______________ batteries to properly dispose of them.
    recycle
  59. Monitors should be ______________, according to proper disposal procedures.
    recycled
  60. _________________ batteries are considered environmental hazards.
    Nickel cadmium (NiCd) and button cell
  61. Computer components can be damaged with shock of ________ volts.
    less than 100
  62. Class ____________ fire extenguishers are for fires involving flammable metals.
    D
  63. The standard peripheral power connector is generally used to power different types of internal disk drives. This type of connector is also called a ______________.
    molex connector
  64. The internal component that is used to store data and that retains the data even when the system is powered down is the _______________.
    hard disk
  65. The AMD Athlon XP processor uses which socket type?
    Socket A
  66. What is internal data storage that comes in the form of chips is called?
    memory
  67. A PS/2 port uses a _______________ connector.
    Mini-DIN 6
  68. Which expansion port was specifically designed for video transfer?
    AGP
  69. Which power connectors are used to connect the power supply to an AT motherboard?
    P8 and P9
  70. When attaching a ribbon cable to a drive, if there is no marking for pin 1, which way should you orient the red stripe?
    Closest to the power supply connector
  71. This AT command is used to reset the modem.
    ATZ
  72. Which RAID level is also known as disk mirroring?
    RAID 1
  73. Which RAID level requires a minimum of three hard disks?
    RAID 5
  74. The first step in the EP print process is _______________.
    cleaning
  75. Which laser printer component formats the print job for the type of printer being used?
    printer controller assembly
  76. In which step of the laser print process is the toner made permanent?
    Fusing
  77. UTP-based netowrks use a __________ or a ____________ to connect devices on the network.
    hub , switch
  78. Which netowrk topology offers the greatest level of redundancy?
    mesh
  79. Which network devices are responsible for transferring packets across networks?
    routers
  80. The ______________ of the OSI model describes how the data gets transmitted over a physical medium.
    Physical layer
  81. The power supply in the PC is excessively dirty. How would you clean it?

    A. A vacuum cleaner
    B. A damp cloth
    C. Compressed air
    D. All purpose cleaner
    C. Compressed air
    (this multiple choice question has been scrambled)
  82. A hard drive should not be:

    A. parked and boxed when removed from the computer
    B. protected from magnetic devices
    C. defragmented and backed up at regular intervals
    D. formatted before removing from the computer
    D. formatted before removing from the computer
    (this multiple choice question has been scrambled)
  83. What is the best method of cleaning a dusty PC keyboard?

    A. Wipe out the dust with a wet cloth
    B. Flush out the dust with a mild liquid detergent
    C. Remove the bezel and blow out the dust
    D. Remove the bezel and vacuum out the dust
    C. Remove the bezel and blow out the dust
    (this multiple choice question has been scrambled)
  84. What do you use to check for line-voltage sags?

    A. Polarity tester
    B. Line monitor
    C. LAN analyzer
    D. Breakout box
    A. Polarity tester
    (this multiple choice question has been scrambled)
  85. Which of the following is most likely to cause a problem with an unprotected hard disk drive?

    A. Solar Winds
    B. A magnetic field from a large speaker
    C. X-ray from a nearby monitor
    D. RFI from a nearby TV
    B. A magnetic field from a large speaker
    (this multiple choice question has been scrambled)
  86. Which is not a reason why compressed air is preferred over vacuuming for cleaning dust from a circuit board? Choose one:

    A. Compressed air is less likely to cause ESD damage
    B. Compressed air is less likely to spread dust
    C. Compressed air can generally provide greater cleaning power
    D. None of the above
    B. Compressed air is less likely to spread dust
    (this multiple choice question has been scrambled)
  87. Which of the following is most likely to protect a personal computer system during an electrical storm?

    A. Disconnect the line cords
    B. Turn the AC power off
    C. Use surge suppressers on all AC outlets
    D. Totally disconnect all cables and power cords
    D. Totally disconnect all cables and power cords
    (this multiple choice question has been scrambled)
  88. What do you use to check for line surges?

    A. Polarity tester
    B. Line analyzer
    C. LAN analyzer
    D. Breakout box
    B. Line analyzer
    (this multiple choice question has been scrambled)
  89. Which of the following statements are true? Choose one:

    A. When not being used, a 5-1/4" disk should be kept in its protective sleeve
    B. A hard drive should be protected from high magnetic fields
    C. A surge suppresser can help to protect a computer installation from high voltage spikes
    D. When cleaning PC boards, blowing dust away is preferred over vacuuming
    E. All of the above
    E. All of the above
  90. Which of the following should be used to clean the external plastic cabinets of computers and their peripherals?

    A. Damp cloth with a mild detergent
    B. Acetone
    C. All purpose spray cleaner
    D. Wet cloth with a mild detergent
    A. Damp cloth with a mild detergent
    (this multiple choice question has been scrambled)
  91. The purpose of a line analyzer is: Choose one.

    A. to warn of line surges
    B. to warn of line sags
    C. to power the computer during power failures
    D. to warn of voltage spikes
    D. to warn of voltage spikes
    (this multiple choice question has been scrambled)
  92. Which of the following would make a computer installation safer? Choose one:

    A. Surge suppressers
    B. A switch box
    C. An extension cord
    D. Extra long cables
    A. Surge suppressers
    (this multiple choice question has been scrambled)
  93. The hard drive makes a grinding noise. The cause is probably:

    A. a dirty read/write head
    B. a software crash
    C. a faulty SCSI connection
    D. HDI (Head-to-Disk Interface)
    D. HDI (Head-to-Disk Interface)
    (this multiple choice question has been scrambled)
  94. During the POST, what does a single beep indicate?

    A. A hardware problem with the PC
    B. Normal operation of the PC
    C. A hardware problem with a peripheral
    D. A problem with an application software package
    B. Normal operation of the PC
    (this multiple choice question has been scrambled)
  95. Which of the following is NOT considered to be a field replaceable unit (FRU)?

    A. SIMM
    B. Co-processor
    C. CPU chip
    D. Power supply regulator
    D. Power supply regulator
    (this multiple choice question has been scrambled)
  96. During what process do you tell the PC the types of drives being used?

    A. PREP
    B. CHKDSK
    C. POST
    D. SETUP
    D. SETUP
    (this multiple choice question has been scrambled)
  97. Diagnostics indicate that you have several bad field replaceable units (FRUs). What do you do?

    A. Replace the indicated FRUs one at a time, rerunning the diagnostics after each replacement
    B. Replace the motherboard
    C. Investigate further to determine if the software is at fault
    D. Replace all FRUs that were identified as bad
    C. Investigate further to determine if the software is at fault
    (this multiple choice question has been scrambled)
  98. Which of the following would most likely result in the mouse pointer NOT being displayed when you switch from DOS applications to Windows applications?

    A. A faulty mouse
    B. Wrong mouse driver in the CONFIG.SYS file
    C. A faulty serial interface
    D. Wrong mouse driver in the SYSTEM.INI file
    D. Wrong mouse driver in the SYSTEM.INI file
    (this multiple choice question has been scrambled)
  99. During what process do you tell the PC the amount of conventional or extended memory being used?

    A. PREP
    B. SETUP
    C. Boot up
    D. POST
    B. SETUP
    (this multiple choice question has been scrambled)
  100. Which of the following is least likely to be a field replaceable unit?

    A. A board that plugs into the ISA bus
    B. A socketed integrated circuit
    C. A surface-mounted integrated circuit
    D. A battery
  101. Which of the following components will hold a charge even though power has been removed?

    A. Capacitor
    B. Rectifier
    C. Diode
    D. Transistor
    A. Capacitor
    (this multiple choice question has been scrambled)
  102. Which of the following components holds a charge after power has been removed? Choose one:

    A. Rectifiers
    B. Capacitors
    C. Power transformers
    D. Diodes
    B. Capacitors
    (this multiple choice question has been scrambled)
  103. A multimeter is set up to DC, Ohms, and 20k. How would a good 4-ampere fuse measure?

    A. 0.00
    B. 0.40
    C. 4.00
    D. 0.04
    A. 0.00
    (this multiple choice question has been scrambled)
  104. A multimeter is set up to DC, Ohms, and 20k. How would a bad 4-ampere fuse measure?

    A. 4.00
    B. Infinitely high
    C. 0.04
    D. 0.00
    B. Infinitely high
    (this multiple choice question has been scrambled)
  105. The farad is the basic unit of measurement for:

    A. capacitors
    B. FETs
    C. resistors
    D. inductors
    A. capacitors
    (this multiple choice question has been scrambled)
  106. A circuit board in a computer can be destroyed by voltages as low as:

    A. 200 volts
    B. 30 volts
    C. 100 volts
    D. 1000 volts
    B. 30 volts
    (this multiple choice question has been scrambled)
  107. What should an ordinary household wall outlet measure?

    A. 104-130 volts DC
    B. 210-250 volts AC
    C. 12 volts DC
    D. 104-130 volts AC
    D. 104-130 volts AC
    (this multiple choice question has been scrambled)
  108. Which of the following can be caused by power source (electric company and building wiring) problems? Choose one:

    A. Random memory errors
    B. Damaged components inside the computer
    C. Hard disk errors
    D. Computer occasionally locks up
    E. All of the above
    E. All of the above
  109. Which of the following voltage levels would you not expect to find at the output of a typical personal computer power supply? Choose one:

    A. +12 V
    B. -24 V
    C. +5 V
    D. +24 V
    E. -5 V
    B. -24 V
    (this multiple choice question has been scrambled)
  110. Which of the following voltages is NOT normally present at the output of a personal computer power supply?

    A. +5 V
    B. -5 V
    C. 120 V
    D. -12 V
    E. +12 V
    C. 120 V
    (this multiple choice question has been scrambled)
  111. The wires coming from the power supply in a personal computer are color coded to specify their purpose. What color are the ground (or common) wires?
    A. Black
    B. Blue
    C. Yellow
    D. Red
    A. Black
    (this multiple choice question has been scrambled)
  112. Ohms is the basic unit of measurement for:

    A. capacitors
    B. resistors
    C. voltage
    D. current
    B. resistors
    (this multiple choice question has been scrambled)
  113. What is the basic unit of measurement for resistors?

    A. Ohms
    B. Amperes
    C. Farads
    D. Volts
    A. Ohms
    (this multiple choice question has been scrambled)
  114. What voltage should you measure on the yellow wires coming from the power supply in a personal computer?

    A. +5 volts
    B. -12 volts
    C. -5 volts
    D. +12 volts
    D. +12 volts
    (this multiple choice question has been scrambled)
  115. Which of the following best describes a standby power supply?

    A. It consists of a battery connected between the AC line and the computer. The AC line simultaneously charges the battery and supplies power to the computer. When the AC line voltage is lost, the battery quickly switches so it, instead the AC line, powers the computer
    B. It uses an isolation transformer to remove AC line noise
    C. It consists of a battery connected between the AC line and the computer. The AC line charges the battery, and the battery supplies power to the computer
    D. It uses metal oxide varistors (MOVs) to protect against AC line spikes
    A. It consists of a battery connected between the AC line and the computer. The AC line simultaneously charges the battery and supplies power to the computer. When the AC line voltage is lost, the battery quickly switches so it, instead the AC line, powers the computer
    (this multiple choice question has been scrambled)
  116. What is the basic unit of measurement of capacitors?

    A. Farads
    B. Amperes
    C. Volts
    D. Ohms
    A. Farads
    (this multiple choice question has been scrambled)
  117. Which of the following does not provide surge protection? Choose one:

    A. An uninterruptible power supply (UPS)
    B. A power conditioner
    C. A standby power supply (SPS)
    D. None of the above
    C. A standby power supply (SPS)
    (this multiple choice question has been scrambled)
  118. The best uninterruptible power supplies (UPS) and standby power supplies (SPS) produce which of the following output waveforms?

    A. Stairstep waves
    B. Sawtooth waves
    C. Square waves
    D. Sine waves
    D. Sine waves
    (this multiple choice question has been scrambled)
  119. Which of the following is the smallest power interruption that can cause memory errors or the computer to lock up?

    A. 10 seconds
    B. 1 second
    C. 1 minute
    D. 1/200 second
    D. 1/200 second
    (this multiple choice question has been scrambled)
  120. If a power supply has "watts capacity" rating of 200, what does this mean?

    A. The power supply uses up 200 watts
    B. This is the minimum amount of power the supply can provide
    C. The power supply always produces 200 watts. Therefore, the load you attach must be able to use up this much power
    D. The power supply can provide up to 200 watts
    D. The power supply can provide up to 200 watts
    (this multiple choice question has been scrambled)
  121. When measuring an unknown voltage

    A. remove power until the meter is connected to the circuited
    B. start with the meter set to its lowest range
    C. start with the meter set to its highest range
    D. set the meter to the Ohms function
    C. start with the meter set to its highest range
    (this multiple choice question has been scrambled)
  122. When using an ohmmeter:

    A. connect the meter in series with the component being measured
    B. you must physically break the circuit to insert the ohmmeter
    C. remove power to the circuit before attaching the meter
    D. power must be applied to the circuit under test
    C. remove power to the circuit before attaching the meter
    (this multiple choice question has been scrambled)
  123. Which of the following rules do not apply when using a multimeter?

    A. Resistance is measured with the ohmmeter with all circuit power off
    B. When measuring current, turn off the power, break the current path to be measured, connect the meter in series with the current path, and reapply power
    C. Current and voltage are measured across the component with the power applied
    D. When measuring current or voltage, if you are unsure which range to use, start with the highest range and work down
    C. Current and voltage are measured across the component with the power applied
    (this multiple choice question has been scrambled)
  124. A new external modem does not work properly. Which of the following should be checked? Choose one:

    A. The connections of the RJ-11 cable
    B. The serial port settings
    C. The communications parameters such as speed, parity, data bits, and stop bits
    D. The communications software to make sure it is compatible with the modem
    E. All of the above
    E. All of the above
  125. The mouse works in MS-DOS but not in Windows 3.1. What do you do?

    A. Check the Mouse Trails number
    B. Check the jumpers on the motherboard
    C. Check for the proper mouse driver in the SYSTEM.INI file
    D. Check for the proper mouse driver in CONFIG.SYS file
    C. Check for the proper mouse driver in the SYSTEM.INI file
    (this multiple choice question has been scrambled)
  126. You replaced your customer's motherboard. Before returning the unit to the customer, what should you do?

    A. Reload the application software
    B. Write the word "serviced" and the current date on the board with a marker
    C. Run SETUP
    D. Partition the hard drive
    C. Run SETUP
    (this multiple choice question has been scrambled)
  127. A customer calls with a printer problem. What information should you gather first?

    A. Customer name, Company name, Company address, time at which it would be most convenient for you to pick up the printer
    B. Customer name, Company name, type of printer, nature of the problem
    C. Where the printer was purchased, name of company, customer name
    D. Company name, customer name, type of computer, type of printer, the time at which he can bring the product in for service
    B. Customer name, Company name, type of printer, nature of the problem
    (this multiple choice question has been scrambled)
  128. A customer complains because he has been put on hold several times. What should you do?

    A. Apologize for the inconvenience
    B. Give him your personal telephone number
    C. Explain how busy everyone is
    D. Tell him you will find out who keeps putting him on hold
    A. Apologize for the inconvenience
    (this multiple choice question has been scrambled)
  129. A customer calls and tells you that the cable you just sent him was defective. What do you do?

    A. Tell the customer to call the manufacturer
    B. Call the manufacturer for the customer
    C. Replace the cable
    D. Tell him you will replace it if he can prove that it is defective
    C. Replace the cable
    (this multiple choice question has been scrambled)
  130. A customer complains that the company that manufactured his computer is incompetent. What do you tell him?

    A. Ask him what he expects you to do about it
    B. Explain that you are not associated with that company
    C. Agree with him
    D. Inquire as to why he feels that way
    D. Inquire as to why he feels that way
    (this multiple choice question has been scrambled)
  131. You are giving directions to a customer on the phone. If the customer is having problems following your directions, what should you not do?

    A. End the call because he can't follow directions
    B. Refer him to a customer center
    C. Tell him someone will call him back
    D. Ask if there is someone else you could speak to
    A. End the call because he can't follow directions
    (this multiple choice question has been scrambled)
  132. You replace a faulty motherboard. Before returning the computer to the customer, you should:

    A. run SETUP and setup the configuration
    B. restore the customer's programs to the hard drive
    C. FORMAT the hard drive
    D. review the customer's programs on the hard drive
    A. run SETUP and setup the configuration
    (this multiple choice question has been scrambled)
  133. A customer calls and says that his computer keeps dying. After taking the customer's name, what sequence of questions should you ask?

    A. Type of system, setup up an appointment, what the problem is
    B. Set up an appointment, what the problem is, software they are using, computer type
    C. Computer type, is the equipment under warranty, printer type, set up an appointment
    D. Computer type, what the problem is, number of times it has occurred, set up an appointment
    D. Computer type, what the problem is, number of times it has occurred, set up an appointment
    (this multiple choice question has been scrambled)
  134. A customer calls and says that their Desktop Publishing System that was working fine yesterday will not perform certain functions today. Which of the following is the most appropriate question to ask?

    A. Have you voided the warranty by doing modifications?
    B. Are you certain that you are qualified to say what is working normally?
    C. Have unqualified people been playing with the system?
    D. Did anyone make any changes in the software or hardware between yesterday and today?
    D. Did anyone make any changes in the software or hardware between yesterday and today?
    (this multiple choice question has been scrambled)
  135. A customer complains that the printer you just returned after being serviced has a broken paper tray. What do you do?

    A. Send him one of your paper trays as a replacement
    B. Order a new paper tray for the customer
    C. Ask him what he expects you to do about it
    D. Explain that this will not affect the print quality in any way
    B. Order a new paper tray for the customer
    (this multiple choice question has been scrambled)
  136. A customer calls and complains that the computer you just serviced is still not working properly. What do you do?

    A. Apologize and explain that it is a different problem than the one you repaired B. Explain that the customer did something wrong
    C. Refer him to another repair facility.
    D. Offer to replace or re-service the computer
    D. Offer to replace or re-service the computer
  137. A customer calls and complains that the computer you just returned after being serviced is missing a power cord. What do you do?

    A. Send out a replacement power cord
    B. Explain to your customer that she must have misplaced the power cord
    C. Order a new power cord from the manufacturer
    D. Explain that most any power cord she has will work.
    A. Send out a replacement power cord
    (this multiple choice question has been scrambled)
  138. A customer complains that his laptop computer has lost the time and date information. What do you do?

    A. Send someone out to pick up the unit for repair
    B. Give him the manufacturer's phone number
    C. Have him bring it in for repair
    D. Tell him to recharge the battery and run SETUP
    D. Tell him to recharge the battery and run SETUP
    (this multiple choice question has been scrambled)
  139. A customer calls with a question about how to make a change in the AUTOEXEC.BAT file. What do you do?

    A. Explain that this should be attempted only by a qualified service technician
    B. Politely answer the question
    C. Refer the customer to the MS-DOS manual
    D. Explain that this procedure will void the warrant
    B. Politely answer the question
    (this multiple choice question has been scrambled)
  140. Which of the following is least likely to be affected by a virus?

    A. BIOS in ROM
    B. Hard drive
    C. Floppy disk
    D. A file in RAM
    A. BIOS in ROM
    (this multiple choice question has been scrambled)
  141. A disgruntled customer is critical of the company that made his equipment, what do you do?

    A. Inquire as to why he feels that way and how you can help
    B. Quote statistics to the contrary
    C. Tell him it is out of your hands
    D. Agree with him
    A. Inquire as to why he feels that way and how you can help
    (this multiple choice question has been scrambled)
  142. Computer viruses are most likely to be spread via:

    A. licensed operating systems
    B. on-line services
    C. licensed application programs
    D. pirated games software
    D. pirated games software
    (this multiple choice question has been scrambled)
  143. Which of the following is not a recommended way to minimize damage caused by a computer virus?

    A. Frequently formatting your hard drive
    B. Frequently running a virus checker program
    C. Frequently backing up your data
    D. Avoiding pirated software
    A. Frequently formatting your hard drive
    (this multiple choice question has been scrambled)
  144. A PC virus is least likely to attach itself to:

    A. a .EXE file
    B. a data file
    C. the boot sector of your hard disk
    D. a .COM file
    B. a data file
    (this multiple choice question has been scrambled)
  145. Which MS-DOS files are concerned with viruses?

    A. MSAV, VSAFE, and MWAV
    B. DMDRVR and FINDVIR
    C. SCANDISK and CHKVIR
    D. VER, CHKDSK, and SCAN
    A. MSAV, VSAFE, and MWAV
    (this multiple choice question has been scrambled)
  146. A virus is detected and successfully removed from a customer's PC. What additional action should be taken to prevent re-infection?

    A. Destroy all floppy disks that have been used recently on the PC
    B. Reformat the hard drive on the PC
    C. Scan all floppy disks that have been used recently on the PC
    D. Disconnect the PC from the network
    C. Scan all floppy disks that have been used recently on the PC
    (this multiple choice question has been scrambled)
  147. Which of the following files is most likely to harbor a virus?

    A. TEXTFILE.DOC
    B. SALES99.XLS
    C. COMMAND.COM
    D. IMAGE.BMP
    C. COMMAND.COM
    (this multiple choice question has been scrambled)
  148. Which of the following statements about PC viruses is not true?

    A. Viruses are not carried by PC data files
    B. Some viruses reside in boot sector files
    C. The PC can not be infected by attempting to boot from a non-bootable floppy
    D. The PC is infected only if it boots (or attempts to boot) from an infected disk; or if it executes an infected program
    C. The PC can not be infected by attempting to boot from a non-bootable floppy
    (this multiple choice question has been scrambled)
  149. A customer complains because he has been on hold for so long. What should you do?

    A. Tell him the best time to call
    B. Explain how busy you are
    C. Give him your direct number
    D. Apologize for the inconvenience
    D. Apologize for the inconvenience
    (this multiple choice question has been scrambled)
  150. A customer complains because a technician did not return his call. What should you do?

    A. Find out who the technician was
    B. Explain that the technicians are overworked
    C. Make an excuse for the technician
    D. Apologize for the inconvenience
    D. Apologize for the inconvenience
    (this multiple choice question has been scrambled)
  151. What is the best ground to use when working on a personal computer?

    A. Computer
    B. Chassis
    C. Common
    D. AC outlet ground
    D. AC outlet ground
    (this multiple choice question has been scrambled)
  152. When should you not wear a wrist band ground strap?

    A. When working around an exposed cathode ray tube (CRT).
    B. When working on memory
    C. When working on a disk drive
    D. When working on a CPU
    A. When working around an exposed cathode ray tube (CRT).
    (this multiple choice question has been scrambled)
  153. Once an IC is mounted on a circuit board it is:

    A. not susceptible to ESD damage as long as the computer is turned off
    B. still susceptible to ESD damage
    C. not susceptible to ESD damage if the board is properly installed in the PC
    D. not susceptible to ESD damage if the board is not installed in the PC
    B. still susceptible to ESD damage
    (this multiple choice question has been scrambled)
  154. Which of the following could generate electrostatic voltages high enough to cause ESD damage? Choose one:

    A. Combing your hair
    B. Walking across a carpeted floor
    C. Taking off your coat
    D. Any one of the above
    D. Any one of the above
  155. When shipping a board from one place to another, to avoid ESD damage, the board should be:

    A. grounded at all times
    B. placed inside an anti-static bag
    C. sprayed with antistatic spray before packing
    D. kept in high humidity environment
    B. placed inside an anti-static bag
    (this multiple choice question has been scrambled)
  156. When you use the computer chassis for ground, what should you do?

    A. Keep the line cord plugged into an AC outlet
    B. Disconnect all test equipment from ground
    C. Do not wear a wristband ground strap
    D. Disconnect the line cord
    A. Keep the line cord plugged into an AC outlet
    (this multiple choice question has been scrambled)
  157. Select the incorrect answer. Sometimes ESD damage:

    A. is caused by charges that are too weak to be felt by a human
    B. will "toughen" the computer against future ESD damage
    C. is not immediately apparent but may show up weeks after the ESD incident
    D. happens to ICs or circuit boards through improper handling
    B. will "toughen" the computer against future ESD damage
    (this multiple choice question has been scrambled)
  158. Which of the following techniques is the best way to prevent ESD damage?

    A. Wear a properly connected ESD wrist strap when you work on microcomputer equipment
    B. Work in a high humidity area
    C. Handle circuit boards only by the edges
    D. Work in a non-carpeted area
    A. Wear a properly connected ESD wrist strap when you work on microcomputer equipment
    (this multiple choice question has been scrambled)
  159. Which of the following types of mat will reduce static electricity problems?

    A. Nylon
    B. Plastic
    C. Vinyl
    D. Rubber
    D. Rubber
    (this multiple choice question has been scrambled)
  160. Which of the following statements is false?

    A. ESD damage may not cause component failure until days or weeks after the actual ESD incident occurs
    B. You can feel any electrostatic discharge strong enough to damage an IC.
    C. An IC is still susceptible to ESD damage even when properly mounted on a circuit board
    D. A simple act such as walking across the floor may generate static electricity levels high enough to cause ESD damage
    B. You can feel any electrostatic discharge strong enough to damage an IC.
    (this multiple choice question has been scrambled)
  161. Which is incorrect? An electrostatic potential too small to be felt by a human:

    A. may damage a component so that the actual failure does not occur until weeks or months later
    B. may be caused by simply walking across a floor
    C. cannot harm a properly installed IC
    D. may still be high enough to damage an IC
    C. cannot harm a properly installed IC
    (this multiple choice question has been scrambled)
  162. Why is it important that you use AC outlet ground when working with computer equipment?

    A. Discharges to AC outlet ground occur more slowly and thereby reduce the level of damaging currents
    B. It is more likely to be at the same potential as your body
    C. It is generally the most reliable earth ground that is readily available
    D. It is easier to find than chassis ground
    C. It is generally the most reliable earth ground that is readily available
    (this multiple choice question has been scrambled)
  163. Why is it NOT a good idea to wear a wrist band ground strap when working around an exposed cathode ray tube (CRT)? Choose one:

    A. A CRT is like a big capacitor
    B. A CRT maintains a high charge even when disconnected from the circuit
    C. Wearing a ground strap increases your chances of accidental shock from the CRT
    D. All of the above
    D. All of the above
  164. Which of the following devices will reduce the risk of ESD?

    A. Waveform generator
    B. White noise generator
    C. Ion generator
    D. Line analyzer
    C. Ion generator
    (this multiple choice question has been scrambled)
  165. Which of the following semiconductors is most susceptible to electrical noise and ESD?

    A. FET
    B. TTL
    C. DTL
    D. CMOS
    D. CMOS
    (this multiple choice question has been scrambled)
  166. Why should you keep the AC line cord plugged in if you are using the computer chassis as your source of ground?

    A. Because the computer must have power applied to safely swap components B. Because the computer must have power applied during all tests
    C. To ensure that the computer chassis is at earth ground
    D. Because this eliminates any possibility that you will receive an accidental electrical shock
    C. To ensure that the computer chassis is at earth ground
  167. An integrated circuit can be destroyed by a voltage as low as:

    A. 30 volts
    B. 200 volts
    C. 1000 volts
    D. 100 volts
    A. 30 volts
    (this multiple choice question has been scrambled)
  168. A wrist grounding strap contains a:

    A. transistor
    B. resistor
    C. diode
    D. capacitor
    B. resistor
    (this multiple choice question has been scrambled)
  169. Why is a CMOS memory chip more susceptible to ESD damage than its earlier TTL counterpart?

    A. The dimensions of the transistors in CMOS are much smaller
    B. Bipolar transistors are impervious to ESD
    C. Field effect transistors are impervious to ESD
    D. The CMOS chip uses a higher voltage
    A. The dimensions of the transistors in CMOS are much smaller
    (this multiple choice question has been scrambled)
  170. Which of the following devices will NOT reduce the risk of ESD damage?

    A. A line analyzer
    B. A grounded wrist strap
    C. A humidifier
    D. An ion generator
    A. A line analyzer
    (this multiple choice question has been scrambled)
  171. When shipping a circuit board from one place to another, you should first place the board in a(n):

    A. antistatic container
    B. vinyl container
    C. plastic foam container
    D. shielded container
    A. antistatic container
    (this multiple choice question has been scrambled)
  172. When you work with solid-state devices, which of the following may help prevent ESD damage? Choose one:

    A. Wear a properly connected ESD wrist strap
    B. Use conductive work surface and anti-static floor mats
    C. Handle circuit boards only by their edges
    D. Store and ship boards in anti-static bags
    E. All of the above
    E. All of the above
  173. Which of the following statements is true?

    A. Because of the possibility of ESD damage, you should not work on the computer during periods of high humidity
    B. The main purpose of the grounded wrist strap is to protect the user from electrical shock
    C. ESD damage is a leading cause of hardware failure during the shipping, handling, and installation of printed circuit boards and ICs
    D. Liberal use of anti-static spray is the best way to prevent ESD damage
    C. ESD damage is a leading cause of hardware failure during the shipping, handling, and installation of printed circuit boards and ICs
    (this multiple choice question has been scrambled)
  174. Why does a ground strap often include a resistor in the grounding path?

    A. To speed up the discharge of static electricity
    B. To limit the current to a safe level should the wearer experience an electrical shock
    C. To reduce the amount of time required for a given charge to bleed off
    D. To alert the wearer that an electrostatic charge has built up.
    B. To limit the current to a safe level should the wearer experience an electrical shock
    (this multiple choice question has been scrambled)
  175. Using the computer chassis as a ground is most effective when:

    A. you are not wearing a wrist band grounding strap
    B. the computer is unplugged from the AC outlet
    C. the computer is still plugged into the AC outlet
    D. the cover is removed from the computer
    C. the computer is still plugged into the AC outlet
    (this multiple choice question has been scrambled)

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