A technician needs to replace a computer’s hard drive. Which of the following should thetechnician do FIRST?（）A、Remove network connectionsB、Remove the RAMC、Self ground on the computer caseD、Disconnect power to PC
A technician needs to replace a computer’s hard drive. Which of the following should thetechnician do FIRST?（）
- A、Remove network connections
- B、Remove the RAM
- C、Self ground on the computer case
- D、Disconnect power to PC
相关考题：
A laptop has a non-functioning keyboard. After the keyboard was replaced with a known good one, the technician finds that the keyboard still is not functioning. Which of the following steps should the technician take NEXT?（）A. Replace the motherboard.B. Check all connections.C. Replace the USB controller.D. Check the PS/2 connector.
A technician needs to replace a computer’s hard drive. Which of the following should thetechnician do FIRST?() A. Remove network connectionsB. Remove the RAMC. Self ground on the computer caseD. Disconnect power to PC
While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?（）A. Router#copy tftp flashB. Router(config)#restore flashC. Router(config)#repair flashD. Router#copy flash runE. Routercopy start flashF. Router#copy start flash
A technician needs to manage a switch by using the management port on the back of the switch.Which of the following cables would the technician use?（）A、StraightB、ConsoleC、CrossoverD、Loopback
While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?（）A、Router#copy tftp flashB、Router(config)#restore flashC、Router(config)#repair flashD、Router#copy flash runE、Routercopy start flashF、Router#copy start flash
A technician plugs a USB device into the front panel of a desktop computer and nothing happens.The technician knows that plug-n-play is enabled. Which of the following BEST describes a possible cause to this issue?（）A、The technician plugged a USB 2.0 device into a USB 1.1 port.B、The technician needs to reboot the computer for the device to work.C、The technician plugged a USB 1.1 device into a USB 2.0 port.D、The front panel connectors are not plugged into the motherboard.
A laptop has a non-functioning keyboard. After the keyboard was replaced with a known good one, the technician finds that the keyboard still is not functioning. Which of the following steps should the technician take NEXT?（）A、Replace the motherboard.B、Check all connections.C、Replace the USB controller.D、Check the PS/2 connector.
A technician receives a printer that is printing ink smudges on random sheets of paper. Which of the following should the technician try FIRST？（）A、Replace the printer.B、Replace print head assembly.C、Clean the print head.D、Use a different brand of paper.
A technician needs to replace the processor on a server’s motherboard. The motherboardsupports Socket 478 processors. Which of the following processors would be compatible with this motherboard？（）A、AMD AthlonB、Pentium IIIC、AtomD、Pentium 4
A technician receives a dot matrix printer for repair and the work order states that the printer is only printing one-half of each character. Which of the following should the technician replace？（）A、print headB、fuserC、injectorD、print nozzle
A technician receives a laptop work order stating that the mouse pointer from the touchpad is moving randomly around the screen. Which of the following should the technician do FIRST？（）A、Reboot the computer.B、Replace the touchpad.C、Clean the touchpad.D、Update the driver.
A technician at a company providing online, real-time media streaming to the Internet needs a network technology that will reduce bandwidth while delivering high throughput. Which of the following can the technician implement to fit these requirements?（）A、SubnettingB、UnicastC、BroadcastD、Multicast
A technician needs to assign a default subnet mask for a class B network to a network device that was just installed. Which of the following would the technician use?（）A、224.0.0.1B、255.0.0.0C、255.255.0.0D、255.255.255.0
After swapping an internal wireless card on a laptop with an identical model, the technician notices that the wireless does not work. Which of the following would be the MOST likely cause?（）A、Antennae is not connectedB、Wireless card is defectiveC、Drivers needs to be updatedD、OS needs to be updated
A technician installed a new application on a Windows XP desktop. After the application wasinstalled, the technician rebooted the desktop and received a bluescreen error. Which of thefollowing steps should the technician perform?（） (Select TWO).A、Boot into Safe ModeB、Replace the motherboardC、Uninstall the applicationD、Replace the hard driveE、Install more RAM
A technician needs to find an end of a network cable drop. Which of the following tools would the technician use?（）A、Cable testerB、MultimeterC、Toner probeD、Loopback plug
A technician is installing a new power supply into a computer. One of the power supply connectors that the technician needs to connect to the motherboard is square and contains 4-pins. This connector is known as which of the following?（）A、SATAB、FDDC、IDED、ATX
A technician needs to check which ports are open in the Windows Firewall. Which of the following willallow the technician to view these settings?（）A、netsh firewall show loggingB、ipconfig /allC、netsh firewall show stateD、arp -a
A user reports that their hard drive has failed and needs to be replaced. Which of the following should the technician do FIRST?（）A、Run the hard disk manufacturer’s diagnostic programB、Re-image the driveC、Replace the hard drive and load WindowsD、Ask the user diagnostic questions
A technician is setting up a new inkjet printer and notices that the images appear hazy. Which of the following should the technician perform FIRST to resolve the issue?（）A、Refill the cartridgesB、Replace the tonerC、Replace the network cableD、Calibrate the inkjet printer
The technician needs to map a network share to the user’s Windows 7 computer from thecommand prompt. Which of the following commands will the technician execute?（）A、NET SENDB、NET CONFIGC、NET USED、NET NAME
A technician receives a laptop that is running out of battery power more quickly than expected.Which of the following can the technician do to correct the problem？ （）A、Note on the work order that the laptop is losing battery capabilities and the laptop must be replaced.B、Replace the battery by purchasing a new battery from the manufacturer.C、Stop using the battery and use alternating current （AC） power for the laptop.D、Replace the AC adaptor by purchasing a new adapter from the manufacturer.
单选题If a technician needs to convert a hard drive from Basic to Dynamic, which of the following utilities would the technician use?（）AAdd Hardware WizardBDevice ManagerCComputer ManagementDDisk Management
单选题While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?（）ARouter#copy tftp flashBRouter(config)#restore flashCRouter(config)#repair flashDRouter#copy flash runERoutercopy start flashFRouter#copy start flash
单选题A technician is performing scheduled preventive maintenance on a laser printer. Which of the following should the technician clean or replace？ （）AfuserBozone filterCtransfer coronaDprimary corona
单选题A technician needs to upgrade the memory in a laptop. Which of the following memory typeswould be the correct type?（）ARIMMBDDR RAMCSDRAMDSODIMM
单选题An administrator needs to replace a failed internal disk in a mirrored rootvg. Which of the following is one of the steps that must be followed（）ADeallocate rootvg mirrorBUse hot replace managerCBreak rootvg mirrorDDeallocate LPs from failed disk
单选题A technician needs to assign a default subnet mask for a class B network to a network device that was just installed. Which of the following would the technician use?（）A224.0.0.1B255.0.0.0C255.255.0.0D255.255.255.0