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78 Cards in this Set

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  • Back
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1 An eMac (USB 2.0) has a malfunctioning logic board. You replace the logic board. Which of the following diagnostics utilities should you run to verify that the new logical board is functioning properly?
A. MacTest Pro
B. Disk First Air
C. TechTool Deluxe
D. Apple Service Diagnostic
D
None
2 Which of the following is ALMOST CERTAINLY a hardware-related problem?
A. No video at startup
B. Error beep at startup
C. Distorted video at startup
D. Blinking question mark at startup
B
None
3 You have just reassembled an iMac (Flat Panel) after replacing its logical board. You start up the iMac and the unit powers on, a startup chime is heard, the hard drive sounds normal, and the unit seems to be booting, but there is only a blank white image displayed on the LCD display. You shut the unit down, connect an external VGA display to the iMac and try again. This time, a normal startup sequence is displayed only on the external VGA display. What is the most likely cause of this problem among the choices listed?
A. The LCD display is malfunctioning.
B. A faulty replacement logic board was installed.
C. The video cable connector was not reattached to the logic board.
D. The LCD display requires adjustment after logic board replacement.
C
None
4 To isolate a video problem has hardware or software on an iMac (Plat Panel), which of the following steps should you try first?
A. Connect an external VGA display.
B. Reinstall the appropriate Mac OS.
C. Verify the hard disk with Disk First Aid.
D. Start up from a known-good startup disc.
D
None
5 Which of the following would be the most appropriate question to ask FIRST, when gathering information from customers about a problem with their Apple product?
A. What is the issue?
B. What operating system are you using?
C. Did you turn off the computer improperly?
D. Is this the first time you have had this problem?
A
None
6 Verifying that a computer functions properly after you repair it ensures that __________. (Choose all that apply)
A. No new issues have arisen.
B. Third-party software is working.
C. The original issue has been resolved.
D. The computer fails under service warranty. E. System Preference settings are set correctly.
A, C
None
7 A customers eMac (USB 2.0) if freezing intermittently. Which of the following steps should you try FIRST to identify the problem?
A. Try quick fixes.
B. Repair the eMac.
C. Perform a split-half search
D. Run appropriate diagnostics
E. Escalate the problem to Apple.
F. Gather information about the problem.
F
None
8 Which of the following is the best way to eject a disc when normal methods for ejecting it, such as using the MAC OS Desktop or the keyboard, have not succeeded?
A. Boot into Open Firmware and type reset-nvram.
B. Restart the computer while holding down the mouse button.
C. Remove and disassemble the optical drive to remove the disc.
D. Remove the computers front bezel and manually pry the disc out of the drive.
B
None
9 A customers Power G5 fails to power on when connected to a known-good power outlet with a known-good power cord. Which of the following steps should be tried FIRST?
A. Replace the processor(s)
B. Replace the power supply
C. Reset the logic board PMU
D. Run Apple Service Diagnostic
C
None
10 A Power Mac G4 (FW 800) boots but produces no startup chime. You have disconnected external microphones and speakers verified the volume setting and that mutes is not checked. What is the next recommended step to resolve this issue?
A. Reset Parameter RAM.
B. Replace the internal speaker.
C. Replace the main logic board.
D. Update the latest version of Mac OS X.
A
None
11 You have replaced the video card in a Power Macintosh G4 (FW 800). In what THREE ways should you test the repair before running the system to the customer? (Choose three)
A. Leave the computer on overnight.
B. Verify that the original symptom is resolved.
C. Verify that no new symptoms have occurred.
D. Start up the computer in Target Disk Mode to test the internal hard drive.
E. Run all Apple Service Diagnostic tests for the Power Mac G4 (FW 800).
F. Run Apple Service Diagnostic video tests for the Power Mac G4 (FW 800).
B, C, E
None
12 An eMac has no video, but powers on with a normal startup chime, and normal startup sounds from the hard drive. Which of the following steps should you try next?
A. Update the eMac firmware.
B. Replace the eMac logic board.
C. Replace the eMac Display/Analog Assembly.
D. Connect a known-good VGA display to the eMac.
D
None
13 You are troubleshooting an intermittent video issue on an eMac. Which of the following is them most appropriate way to approach this problem?
A. Do nothing. The problem may resolve itself.
B. Run looping diagnostics to verify the issue.
C. Follow component isolation steps to resolve the issue.
D. Replace the Display/Analog Assembly inside the eMac.
B
None
14 Which of the following is ALMOST CERTAINLY a software-related problem?
A. No video display
B. Low disk space warning
C. Single beep at startup
D. No Internet connectivity
B
None
15 You are troubleshooting a Power Mac G5 that will not boot, and emits error tones when powered on. You suspect that the customer may have installed incompatible or faulty RAM, but you are not sure. What should you do to verify the RAM requirements for this Power MAC G5?
A. Call Apple
B. Order Apple RAM
C. Check Specifications
D. Count the RAM sockets on the logic board
C
None
16 You are troubleshooting a Power Mac G5 that has the following symptom The power-on LED illuminates when the power button is pressed, fans spin, and the boot tine chimes, but there is no video displayed on the attached know-good display. Rank the following possible causes from First to Last, in the order you should check them
1. Crashed PMU
2. Faulty logic board
3. Corrupted PRAM
4. Video card not fully seated in logic board connector
5. Faulty video card

A. 1, 3, 4, 5, 2
B. 2, 1, 4, 3, 5
C. 3, 1, 4, 5, 2
D. 4, 3, 5, 1, 2
E. 5, 1, 2, 4, 3
D
None
17 An eMac (USB 2.0) is displaying a flashing question mark at startup. When you start up the computer from a known-good bootable external FireWire hard drive the internal hard drive does not appear on the desktop. What is the recommended order in which to attempt the following troubleshooting steps on the internal hard drive?
1. Replace the hard drive.
2. Reinitialize the hard drive.
3. Replace the hard drive cable.
4. Verify the hard drives cable connections.
5. Reinstall the software drivers for the hard drive.

A. 1, 3, 4, 2, 5
B. 2, 1, 3, 5, 4
C. 3, 1, 4, 5, 2
D. 4, 1, 5, 2, 3
E. 5, 4, 2, 3, 1
E
None
18 A customer states that he cannot open an AppleWorks file. What is the most productive question to ask him FIRST?
A. Can you open any files?
B. Can you open other AppleWorks files?
C. What version of AppleWorks are you using?
D. In your Mac connected to a network?
B
None
19 In this picture of an iMAC (USB 2.0) logic board, what is the highlighted part?
A. Modem
B. Logic Board
C. SDRAM DIMM
D. Processor Module
C
None
20 A hard dive in a Power Mac G4 (QuickSilver) is not spinning after the computer is powered on. You have verified that the drive power cable connector has no voltage by using a voltmeter. Which of the following is the most appropriate part or module to replace in this situation?
A. Hard Drive
B. Hard Drive Data Cable
C. Power Supply Assembly
D. Cable Harness Assembly
C
None
21 Which THREE of the following computers uses Serial ATA hard drive technology? Select three.
A. Power Mac G4 (FW 800)
B. Power Mac G5 (Uni 1.6GHz)
C. Power Mac G5 (Dual 2.0 GHz)
D. Power Mac G4 (Mirrored Drive Doors)
E. Power Mac G5 (June 2004 Dual 2.5 GHz)
B, C, E
None
22 A customer states that he has never been able to burn DVDs with his eMac (USB 2.0), yet his friend has an identical-looking eMac (USB 2.0) that can burn DVDs. You have verified that the customers eMac (USB 2.0) has a DVD / CD-RW Combo optical drive and is running the latest version of Mac OS X. The eMac has no other problems. What is the probable cause is this issue?
A. The eMac (USB 2.0) requires more RAM.
B. The eMac (USB 2.0) requires a firmware update.
C. The Combo drive is not capable of burning DVDs.
D. The eMac (USB 2.O) optical drive is malfunctioning.
C
None
23 You are working on an eMac that has no video on its built-in display. The fan is spinning, and there is drive activity present. You have tried resetting PRAM, booting to a known-good CD, and resetting the PMUm but the issue persists. You have also connected a known-good external VGA monitor to the eMacs video out port, but failed to see any video on the external display. Which of the following is the most appropriate part or module to replace in this situation?
A. CRT
B. Logic Board
C. Power Supply
D. Display / Analog Assembly
B
None
24 Which THREE of the following symptoms would be best resolved by performing a PMU reset as a first step? (Choose three)
A. Network / Internet connectivity issue.
B. No power / computer does not function.
C. Cursor randomly freezes on the display.
D. USB and/or FireWire port(s) do not function.
E. Computer does not sleep / wake from sleep.
B, C, E
None
25 Which TWO of the following features are part of the Universal Motherboard Architecture in Apple desktop computers? (Choose two)
A. VGA
B. USB
C. FireWire
D. Target Disk Mode
E. Power Manager 2.0
F. Hardware DVD decoding
C, E
None
26 A Power Mac G5 fails to start up, and the status light on the front of the computer flashes three times. What does this indicate?
A. Thermal failure
B. No startup disk found
C. Firmware v3.0 upgrade required
D. No RAM bank passed memory testing
D
None
27 Which of the following Power Mac G5 internal fans can only be replaced by replacing the entire G5 enclosure?
A. Front inlet fan
B. Rear exhaust fan
C. Media blower / fan
D. Speaker / fan assembly
E. Power supply fan assembly
C
None
28 Which TWO of the following computers can accept a 184-pin DDR333 PC2700 SDRAM DIMM? (Choose two)
A. iMac (Flat Panel)
B. eMac (USB 2.0)
C. Power Mac G5 (Uni 1.6Ghz)
D. Power Mac G5 (Dual 2.0 Ghz)
E. Power Mac G5 (June 2004 Dual 2.5 Ghz)
B, C
None
29 What is the function of the PMU in an Apple desktop computer?
A. The PMU controls all aspects of power flow.
B. The PMU controls the speed of the hard drive.
C. The PMU manages the amount of virtual memory used.
D. The PMU manages all communication with attached peripherals.
A
None
31 A Power Mac G5 sometimes becomes unresponsive and the cursor freezes on the display when running an application. You have verified the symptom, have already attempted to force the application to quit, but the computer remains unresponsive. What should you try next?
A. Hold the mouse button down for several seconds to regain cursor control.
B. Press the power button for several seconds to try shutting the computer down.
C. Disconnect and reconnect all peripherals to reset the Open Firmware Device Tree.
D. Disconnect the power cord and the backup battery for several minutes to reset the PMU.
B
None
33 The fans inside a customers Power Mac G5 seem to constantly run at full speed after a repair involving logic board replacement. What should be done FIRST to correct this problem?
A. Replace the processor(s).
B. Run Apple Service Diagnostic.
C. Replace the fans inside the Power Mac G5.
D. Replace the Power Mac G5 logic board again.
B
None
34 You are troubleshooting an eMac system that has Mac OS X. The icon of a connected external FireWire drive is not appearing on the Finder Desktop. Which of the following would be MOST useful in troubleshooting this issue?
A. Terminal
B. Network Utility
C. Process Viewer
D. System Profile
E. Apple Hardware Test
D
None
35 A Macintosh can start up from Mac OS X, but not from Mac OS 9. If you select the Mac OS 9 System Folder in the Startup Disk preference pane of MAC OS X, a flashing question mark appears on the screen when you restart the computer. What is one possible cause of this condition?
A. The disk was reformatted using Disk Utility for Mac OS X, using the HFS Plus (extended) format instead of HFS format.
B. The disk was reformatted using Disk Utility for Mac OS X, and the option to install the Mac OS 9 drivers was not selected.
C. The disk was reformatted using Disk Utility for Mac OS X, using the HFS format instead of HFS Plus (extended) format.
D. This Macintosh does not support booting into Mac OS 9.
B
None
36 What is the first step to take if you have an iMac (Flat Panel) that constantly ejects
any CD / DVD that is inserted?
A. Replace the optical drive. B. Replace the optical drive cable.
C. Replace the optical drive bezel.
D. Disconnect all peripheral devices, especially the mouse.
D
None
37 A customer needs to transfer data from her eMac for use on her Power Mac G5, but the eMac fails to start up completely due to a video issue. Which of the following would most easily accomplish the data transfer?
A. Remove the hard drive from the eMac and install it into the Power Mac G5.
B. The eMac will need to be replaced before any data can be recovered from it.
C. Boot the eMac into Mac OS X Safe Mode and connect the eMac and Power Mac G5 with an Ethernet cable.
D. Boot the eMac into Target Disk Mode and connect the eMac and Power Mac G5 with a FireWire cable.
D
None
38 A Power Mac G4 (Mirrored Doors) displays a flashing question mark at startup. Which step does Apple recommend you take FIRST?
A. Reset Parameter RAM.
B. Try to start up from a bootable CD or DVD.
C. Reinitialize the hard disk and reinstall the Mac OS.
D. Replace the internal hard drive with a known-good hard drive.
B
None
39 Which of the following Apple diagnostic utilities is the most appropriate for a service technician to test an eMac (USB 2.0)?
A. Mac Test Pro
B. Tech Tool Deluxe
C. Apple Hardware Test
D. Apple Service Diagnostic
D
None
40 You have just completed replacing a logic board in an iMac (Flat Panel) and are reassembling the computer. Which of the following special tools is recommended during this reassembly?
A. CRT discharge tool
B. Torque screwdriver
C. Spring tensioning tool
D. Jumper adjustment tool
B
None
41 In the component isolation technique, if you do not get a startup chime and/or a flashing question mark, you check the components of the minimal system by _________.
A. Visually inspecting them for damage.
B. Replacing them with known-good parts in any order.
C. Adding more known-good parts in a specified order.
D. Replacing them with known-good parts in specified order.
D
None
42 When practicing component isolation, which ONE of the following components would NOT be a part of a minimal system configuration for a Power Mac G4 (Mirrored Doors)?
A. SDRAM
B. Speaker
C. Hard Drive
D. Logic Board
E. Power Cable
F. Power Supply
G. Front Panel Board
H. Processor with Heatsink
C
None
43 The basis for the component isolation troubleshooting technique is an understanding of ______ within computers.
A. power flow
B. software data flow
C. firmware data flow
D. processor instruction flow
A
None
44 When setting up a minimal system using the component isolation technique, you start with only the components necessary to_____.
A. Boot the system into Mac OS 9.
B. Boot the system into Mac OS X.
C. Boot the system into Open Firmware diagnostics.
D. Hear a boot chime and/or see a flashing question mark on a display.
D
None
45 You are using component isolation to troubleshoot a Power Mac G4 (Quicksilver). You have already reduced the computer to the appropriate minimal configuration. You have just installed a known-good video card and have attached a known-good external VGA display to it. Upon startup, you see a flashing question mark on the VGA display, but you hear no startup chime. What signals or power could be missing to cause this problem?
A. Timing signals to the processor through the logic board.
B. Power to the memory subsystem through the logic board.
C. Backup battery voltage to the PMU through the logic board.
D. Audio signals to the speaker through the front panel board.
D
None
46 What is the BEST way to properly ground an ESD workbench mat?
A. Attach the mat to the unit being serviced.
B. Connect the mat to a grounded electrical outlet.
C. Connect only the wriest strap and cord to a grounded electrical outlet.
D. Connect the wrist strap and cord only to the mat.
B
None
47 What humidity level should be maintained to ensure an ESD-safe environment?
A. 25%-40%
B. 50%-75%
C. 75%-90%
D. 90%-100%
C
None
48 Which FOUR of the following actions helps reduce the risk of damage from ESD? (Choose four)
A. Ground yourself and the equipment you are working on.
B. Always place ESD-sensitive components on metal surfaces.
C. Handle all ESD-sensitive boards by the connectors, not the edges.
D. Use static-shielding storage bags for ESD-sensitive components.
E. Do not bring plastic, vinyl, or foamed polystyrene near ESD-sensitive components.
A, D, E
None
49 Which of the following items are appropriate to use for ESD prevention? Select all that apply.
A. Metal work surface
B. CRT discharge tool
C. Grounded work mat
D. Wrist strap and cord
E. Static-shielding bags
C, D, E
None
50 Which of the following is the most common example of
electrostatic discharge?
A. You touch an object and feel a brief spark.
B. You see a bright flash on the CRT display of an eMac.
C. You plug a power cord into an outlet and you see a spark. D. You hear a cracking noise coming from inside the computer.
A
None
51 A customer states that her iMac (Flat Panel) display is constantly showing a bright all-white screen. You connect an external VGA display to the iMac (Flat Panel) and confirm that the problem is not with the operating system or the logic board. Based upon your knowledge of LCD display, what would be the most likely cause of this problem?
A. Failed LCD module
B. Failed power supply
C. Failed inverter board
D. Corrupt PMU
A
None
52 Which TWO of the following statements about handling a CRT are true? (Choose two)
A. A discharged CRT can build up a secondary charge over time.
B. You should wear a grounding wrist strap or heel trap when discharging a CRT.
C. You must attach the discharge tool to ground before using it to discharge a CRT.
D. You should wear a grounding wrist strap or heel strap when performing live adjustments.
E. You must disconnect the power cord and discharge the CRT before performing live adjustments.
A, C
None
53 Why do you need to take precautions when disposing of damages CRT displays? (Select two.)
A. CRT displays may contain toxic waste.
B. CRT displays may present a fire hazard.
C. CRT displays may implode if mishandled.
D. CRT displays may present a radiation hazard.
E. CRT displays may contain hazardous materials.
C, E
None
54 What precautions should be taken if an discharged CRT must remain exposed for any length of time?
A. You should reset the Power Manager Unit on the logic board.
B. You should perform a full set of video adjustments on the CRT.
C. You should remove the CRT from the computer or display assembly.
D. You should establish an ongoing lead between the CRT anode and ground.
D
None
55 Which part or parts of an iMac CRT display should NOT be touched until after the display is disconnected from its power source and the CRT is properly discharged, because of the risk of electric shock? Select all that apply.
A. Anode cap
B. Yoke assembly
C. Flyback transformer
D. Front of CRT display
E. Yoke cable/connector
F. Outer plastic housing
A, B, C, E
None
56 When making LIVE adjustments to a CRT display, you should make sure that _____. Select three
A. You are NOT grounded.
B. The CRT has been discharged.
C. The yoke wires have been disconnected.
D. You use an ungrounded electrical outlet.
E. The equipment is properly connected and grounded.
F. Your buildings electrical outlets are properly wired and grounded.
A, E, F
None
57 You need to verify a defective power/analog video board on a CRT iMac system. You removed power from the system and opened it (exposing the CRT), then had to leave it to do other work. Two hours have passed. Which TWO of the following steps should you take before beginning the verification procedure? Select two.
A. Reassemble the iMac.
B. Discharge the CRT again.
C. Reapply power to the iMac.
D. Get someone to observe you.
E. Check your grounding wrist strap.
B, D
None
58 Which of the following do you use when discharging a CRT? Select two.
A. light meter
B. safety glasses
C. grounded ESP mat
D. CRT discharge tool
E. jumper adjustment tool
B, D
None
59 When discharging a CRT, which part do you touch with the tip of the discharge tool?
A. anode aperture
B. high voltage cable
C. Flyback transformer
D. yoke connector/cable
A
None
60 Which of the following is a hazardous area due to high voltage even when an eMac is unplugged?
A. Anode cap
B. Hard drive
C. Logic board
D. Optical drive
A
None
61 Where is the BEST place to look for information about any special hardware repair tools required for disassembly of an Apple product?
A. Discussions
B. Service News
C. Users Manual
D. Service Manual
D
None
62 Which section of the Power Mac G5 Service Manual is the BEST place to look for instructions for replacing a processor?
A. Views
B. Basics
C. Take Apart
D. Troubleshooting
C
None
63 You require additional information about a specific problem with a customers Power Mac G5. Which of the following would be the choice Apple recommends for you to research the problem and possibly locate a solution or workaround for the problem?
A. Downloads
B. Discussions
C. Users Manual
D. Knowledge Base
D
None
64 A customer asks about RAM speed requirements to upgrade his eMac (USB 2.0). What Apple resource should you refer this customer to?
A. Downloads
B. Users Manual
C. Specifications
D. Service Manual
C Not D
None
65 According to Apple service manuals, what steps should you take before performing any take-apart steps when replacing a part in any Apple product?
A. Lay the product on its side so it will not fall over.
B. Update the products firmware to the latest version.
C. Discharge the CRT and establish an ongoing ground.
D. Gather all necessary tools and perform all preliminary steps. E. Order all available service parts for the appropriate configuration of the product.
B
None
66 The Display Adjustment Utility adjusts geometry on which of the following products?
A. eMac
B. iMac (CRT)
C. Apple Studio Display 17 (17 LCD ADC)
D. Apple Cinema HD Display (23 LCD ADC)
C
None
67 A customer states that her iMac (USB 2.0) built-in LCD display is dark and barely readable. It shows a faint image. You attempt to adjust the brightness, but nothing happens. You connect an external VGA display to the iMac and confirms that the problem is not with the operating system or the logic board. Based upon your knowledge of LCD displays, what would be the most likely cause of this problem?
A. Failed LCD module
B. Failed power supply
C. Failed inverter board
D. Corrupt PMU
A
None
69 What is the function of the iMac Video Jumper Adjustment Tool?
A. It enables the display of test patterns for video adjustment.
B. It sets the appropriate display resolution for video adjustment.
C. It allows the cutoff and white balance adjustment to be saved as new factory settings.
D. It grounds any hazardous voltages inside the iMac before video adjustments are made.
C should be C. When any parts are changed to do with video on a crt imac you need to readjust white balance and cut-off, without the jumper, you cannot save the settings and the next time you reboot, the screen is all out!
None
70 This barrel-shaped screen image indicates a ______ maladjustment.
A. keystone
B. pincushion
C. parallelogram
D. corner curvature
B
None
71 Which THREE of the following are symptoms of an incorrectly installed AirPort Extreme Card? (Choose Three)
A. Computer freezes during startup.
B. Computer beeps three times during startup.
C. AirPort operating range is severely reduced.
D. Computer has no network access from any port.
E. Computer reports required AirPort hardware not found?
A, C, E
None
72 Which one of the following AirPort Extreme ports should be used to connect to a DSL or Cable modem for Internet access?
A. LAN
B. WAN
C. Modem
D. Antenna
B
None
73 A customer states that he cannot access the Internet after connecting his new Power Mac G5 to his cable modem via Ethernet. Which of the following is most likely the cause of the problem?
A. AppleTalk is not enabled on the computers Ethernet port.
B. The computer is not running the latest version of Mac OS X.
C. A faulty cable was used to connect the computer and the cable modem.
D. The cable modems Ethernet port is not compatible with the computers Ethernet port.
C
None
74 You are attempting to share files between your Power Mac G5 and a friends PC running Windows XP Professional. You have connected the two computers with an Ethernet cable, created a Mac OS X account to allow your friend to log in, and you have enabled Windows Sharing on the Power Mac G5, but your friend still cannot access files on your Power Mac G5. Which of the following is most likely to be the problem?
A. File Sharing must be enabled on the PC first.
B. The files on your Power MAC G5 must be converted to PC format first.
C. The IP address settings on your Power Mac G5 and the PC are not on the same network.
D. You need to use an Ethernet crossover cable to connect the Power Mac G5 and the PC.
C
None
75 A customer states that when an external antenna is connected to her AirPort Extreme Base Station, the external antenna does not appear in the Show Summary window of AirPort Admin Utility. What is most likely the problem?
A. The base stations firmware needs to be updated.
B. The base station is malfunctioning and requires service.
C. The base station needs to be powered down and restarted.
D. The base station needs to be reconfigured to use the external antenna.
C
None
76 AirPort Extreme operates under which of the following IEEE standards? Select all that apply.
A. 802.11a
B. 802.11b
C. 802.11c
D. 802.11g
E. 802.11h
F. 802.11i
B, D
None
77 A customer states that she sees an error message appear when she opens her Web browser with her iMac (USB 2.0) using dial-up Internet service. The message displayed in the Web browser is The specified server could not be found. When she attempts to access the same Web page a second time the Web page is loaded without a problem. Which of the following is the BEST explanation for what is happening?
A. The iMac needs to warm up before it can access the Web page.
B. The Web browser is configured to only access Web pages when reloaded.
C. The iMac dial-up modem is configured for extra error correction resulting in the delay.
D. The Web browser attempted to load the page before the iMacs dial-up modem had finished connecting to the Internet Service Provider.
D
None
78 Basic computer-to-computer wireless networking with AirPort requires______.
A. Two or more AirPort clients.
B. Two or more AirPort Base Stations.
C. Version 2.0.4 or later of the AirPort software.
D. An AirPort Base Station and an AirPort client.
A
None
79 To utilize Gigabit Ethernet, you must use an Ethernet cable with
A. Two wires (one pair) present.
B. Four wires (two pairs) present.
C. Six wires (three pairs) present.
D. All eight wires (four pairs) present.
D
None
80 A customer states that he cannot access the Internet on his eMac using a dialup modem connection. Which of the following is most likely to be the problem?
A. AppleTalk is not enabled on the eMacs modem port.
B. The customers eMac is not configured with a modem.
C. The eMac is not running the latest version of Mac OS X.
D. The telephone cable is plugged into the Ethernet jack.
D
None
81 Which of the following are potential sources of interference with an AirPort Extreme network? Select all that apply.
A. Wood
B. Metal
C. Microwave oven
D. Cellular telephone
E. 2.4 GHz cordless telephone
B, C, E
None