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When a computer does not recognize an internal modem， a technician should determine whether：（）
- A、the modem is seated properly.
- B、the number being dialed is valid.
- C、there are resource conflicts.
- D、there is power to the modem.
- E、the modem speaker is enabled.
参考答案
更多 “When a computer does not recognize an internal modem， a technician should determine whether：（）A、the modem is seated properly.B、the number being dialed is valid.C、there are resource conflicts.D、there is power to the modem.E、the modem speaker is enabled.” 相关考题
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Since RAM is only active when the computer is on, your computer uses disk to store information even when the computer is off. Which of the following is true?(74).A．When your computer is on, only RAM is used to store information.B．When your computer is on, only disk drives are used to store information.C．When your computer is off, only RAM is used to store information.D．When your computer is off, only disk drives are used to store information.
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When you work with a computer, it leaves some useful error messages or window(66)to help you with your work.A．hintsB．promptsC．introductionsD．guides
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Which of the following network types is being described when computers are connected so thatdata flows from one computer to the other by traveling through each computer in the network?()
A. StarB. HybridC. MeshD. Ring
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When a power supply does not meet minimum requirements for a motherboard, which of thefollowing can happen?()
A. Computer will not POSTB. Computer will overheatC. Monitor will not power onD. Processor will not run at proper speed
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You have a computer that runs Windows Vista.You need to configure your computer so that you can interact with your desktop when you are prompted for user account control permissions.What should you do?（）A.AB.BC.CD.D
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You install Windows Vista on a new computer. You update the video card driver and restart the computer.When you start the computer, the screen flickers and then goes blank. You restart the computer and receive the same result.You need to configure the video card driver.What should you do first?（）A.AB.BC.CD.D
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When you use a computer to cerate,edit,and print documents， （ ） is used。A.word processingB.spreadsheetC.PowerPointD.database
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What does the underlined sentence "So when it goes down, you go down with it." mean?A. When computer doesn't work, you cannot work too.B. When computer falls down, you fall down with it.C. When computer is working, you can do nothing.D. You can sell ticket without asking the computer.
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● Since RAM is only active when the computer is on, your computer uses disto store information even when the computer is off. Which of the following itrue? （74）（74）A．When your computer is on, only RAM is used to store informationB．When your computer is on, only disk drives are used to storinformation.C．When your computer is off, only RAM is used to store informationD．When your computer is off, only disk drives are used to storinformation.
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What is the resulting action when you click on the lock computer button on the Windows Security Dialog Box？（）A、Computer is locked.B、Applications continue to run.C、Computer is Shut Down.D、Computer is not locked.E、Applications are frozen.F、The monitor is closed down.
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When disposing of computer equipment, which of the following can present an environmental hazard?（）A、BezelB、SATA cableC、Cat5 cableD、CRT monitor
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Which of the following network types is being described when computers are connected so thatdata flows from one computer to the other by traveling through each computer in the network?（）A、StarB、HybridC、MeshD、Ring
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Where are the first computer instructions available when a microcomputer is powering up？（）A、floppy driveB、boot.iniC、ROMD、config.sys
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Which of these are symptoms of malware on a computer? （）(Select TWO).A、Hard drive and network activity is higher when the computer is idleB、CD-ROM ejects unexpectedly from the computerC、Web browser accesses unexpected websitesD、Prints from the computer have random characters and symbols instead of textE、The monitor has a permanent image burned into the display
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When a power supply does not meet minimum requirements for a motherboard, which of thefollowing can happen?（）A、Computer will not POSTB、Computer will overheatC、Monitor will not power onD、Processor will not run at proper speed
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You install Windows 2000 Professional on your portable computer. You install an SCSI and PC card adapter, that you can use in the office to use color scanner. You use a docking station for your computer when you are in the office. You want to maximize the battery performance for your portable computer. You also want to prevent the driver from loading whenever you are away from the office. What should you do?（）A、When away from the office use Device Manager to remove the adapter. B、When away from the office configure the startup properties for the adapter to be automatic. C、Remove the computer from the docking station and start Windows 2000 Professional to disable the SCSI PC card adapter device for the current profile.D、Remove the computer from the docking station and start Windows 2000 Professional, use Device Manager to remove SCSI PC card adapter device.
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Your portable computer is in sleep mode. When you resume work on the portable computer， you are not prompted for a password. You need to ensure that you are prompted for a password each time the portable computer recovers from sleep mode. What should you do？（）A、Configure the computer to hibernate when not in use.B、In the current power plan settings， configure the computer to require a password when recovering from sleep mode.C、Configure the computer to use the High Performance power plan.D、Configure the screen saver settings to require a password on resumption of work.
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You are the desktop administrator for Company. Janos is a user in Company's accounting department. Janos uses a Windows 2000 Professional portable computer. Janos reports that when the computer is unlocked, it randomly displays the following error message: "JZXDRV.dll failed to load". You discover that the JZXDRV.dll file is used by the device driver for an external storage device that is connected to Janos’ docking station. Janos reports that the error message does not appear when the computer is docked. You need to ensure that the error does not occur on Janos’ computer. You also need to ensure that the storage device continues to function correctly when Janos’ computer is docked. What should you do?（）A、 Remove the storage device from the hardware profile on Janos’ computer.B、 Create a local user account for Janos on his computer. Copy the JZXDRV.dll file to the profile folder for Janos’ local user account. Instruct Janos to log on to his computer by using his local user account whenever the computer is unlocked.C、 Copy the computer's default hardware profile to create a new hardware profile named Undocked. Remove the storage device from the Undocked hardware profile.D、 Copy the computer's default hardware profile to create a new hardware profile named Unlocked. Disable the storage device in the Undocked hardware profile. Instruct Janos to start the computer by using the Undocked hardware profile whenever the computer is undocked.
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You install Windows 2000 Professional on a new APM-compliant portable computer. You notice that whenever you attempt to shut down the computer, the Windows 2000 shutdown screen remains on the screen as the power remains on. You attempt to shut off the computer by using Power Button, but you want the computer to shut off when Windows 2000 Professional shuts down. What should you do? （）A、Restart the computer, disable APM in the system BIOS, and then restart the computer. B、Restart the computer, use power options in control panel to enable APM, and restart the computer. C、Restart the computer, use power options in control panel to enable hibernate support, and then restart the computer. D、Restart the computer, use power options in control panel to create a different power scheme, and then restart the computer.
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You have a portable computer and a desktop computer that both run Windows XP Professional. Both computers are members of a domain named Contoso. The desktop computer hosts a shared folder named Share1. You need to ensure that all files in the Share1 folder are automatically available on the portable computer when the computer is disconnected from the network. Which two actions should you perform?（）A、From the portable computer, enable offline files. B、From the portable computer, modify the properties of the Shared Documents folder.C、From the desktop computer, enable simple file sharing.D、From the desktop computer, modify the properties of Share1.
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You have a portable computer named Computer1 and a desktop computer named Computer2. Bothcomputers run Windows 7. On Computer2, you create a share named Share1 by using the AdvancedSharing feature. You need to ensure that when you connect to Share1 from Computer1, the files that youopen are automatically cached. What should you do?（）A、On Computer1， modify the Offline Files settings.B、On Computer1， modify the User Profile settings.C、On Computer2， modify the properties of Share1.D、On Computer2， modify the file sharing connection settings for the Home or Work network profile.
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You are the network administrator for your company. A user reports that the USB ports on his Windows 2000 Professional portable computer function only when the portable computer is in its docked position at the office. He asks you to configure the computer so that the USB port works when the portable computer is docked and when it is undocked and running on battery power. You verify that the portable computer supports ACPI power management. What should you do？（）A、Modify the portable computer’s power management settings to ensure the USB ports are not shut down when the computer is running on battery power. B、Modify the portable computer’s BIOS settings to disable ACPI when the computer is running on battery power. C、Modify the portable computer’s undocked hardware profile, and enable the USB root hub. D、Disable the BIOS power management features in the portable computer’s BIOS settings. E、Obtain external power supplies for the user’s USB devices. Ensure that these power supplies are connected when the portable computer is undocked. F、Undock the portable computer, and reinstall the drivers for the USB port.
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问答题Practice 3 A: What is important when...? Choosing a computer skills course ●Topics ●Size of group ●Qualification offered B: What is important when...? Choosing a business club to join in ●Entertainment Facilities ●Type of Events ●Cost
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单选题Where are the first computer instructions available when a microcomputer is powering up？（）A
floppy driveB
boot.iniC
ROMD
config.sys
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单选题You are the network administrator for your company. A user reports that the USB ports on his Windows 2000 Professional portable computer function only when the portable computer is in its docked position at the office. He asks you to configure the computer so that the USB port works when the portable computer is docked and when it is undocked and running on battery power. You verify that the portable computer supports ACPI power management. What should you do？（）A
Modify the portable computer’s power management settings to ensure the USB ports are not shut down when the computer is running on battery power. B
Modify the portable computer’s BIOS settings to disable ACPI when the computer is running on battery power. C
Modify the portable computer’s undocked hardware profile, and enable the USB root hub. D
Disable the BIOS power management features in the portable computer’s BIOS settings. E
Obtain external power supplies for the user’s USB devices. Ensure that these power supplies are connected when the portable computer is undocked. F
Undock the portable computer, and reinstall the drivers for the USB port.
考题
单选题Playing games for hours at a time without a break, Pete sits at the computer screen until his eyes begin to water to water.A
Pete sits at the computer screen until his eyes begin to waterB
the computer screen makes Pete’s eyes waterC
Pete’s eyes water when he sits at the computer screenD
Pete’s eyes, who water, sitting at the computer screenE
Pete sitting at the computer screen with watering eyes
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单选题Your portable computer is in sleep mode. When you resume work on the portable computer， you are not prompted for a password. You need to ensure that you are prompted for a password each time the portable computer recovers from sleep mode. What should you do？（）A
Configure the computer to hibernate when not in use.B
In the current power plan settings， configure the computer to require a password when recovering from sleep mode.C
Configure the computer to use the High Performance power plan.D
Configure the screen saver settings to require a password on resumption of work.
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