单选题A computer is failing to boot. Which of the following tools would be used FIRST in troubleshooting? （）ATime Domain Reflectometer (TDR)BOscilloscopeCPower supply testerDSpectrum analyzer
单选题
A computer is failing to boot. Which of the following tools would be used FIRST in troubleshooting? （）
A
Time Domain Reflectometer (TDR)
B
Oscilloscope
C
Power supply tester
D
Spectrum analyzer
参考解析
解析：
暂无解析
相关考题：
Which of the following tools is BEST used to measure voltage and amperage from a power source?() A. Loopback PlugB. MultimeterC. Power Supply TesterD. Extension Magnet
A technician suspects the AC voltage into a PC power supply is bad. Which of the following toolswould MOST likely be used to confirm the diagnosis?() A. MultimeterB. OscilloscopeC. Cable testerD. Power supply tester
A technician does not have power to a PC. Which of the following tools should the technician use to check for electricity?（）A、Cable testerB、Power supply testerC、Tone generatorD、Multimeter
A technician receives a computer for repair and observes that the fan on the power supply is not moving. Which of the following should the technician do？ （）A、Move the power supply voltage switch to 220 volts.B、Add an additional fan to help cool the computer.C、Replace the cable that attaches the power supply to the motherboard.D、Replace the power supply.
Which of the following tools is BEST used to measure voltage and amperage from a power source?（）A、Loopback PlugB、MultimeterC、Power Supply TesterD、Extension Magnet
A customer states their computer was fine until yesterday when they heard a pop noise and thecomputer stopped working. Which of the following components should the technician test FIRST?（）A、Main system boardB、ProcessorC、Hard disk driveD、Power supply
A user is reporting that their computer is making strange noises and randomly powers off. Which of the following tools would MOST likely be used to troubleshoot this problem?（）A、POST diagnostic cardB、Power supply testerC、Loop back plugD、Cable tester
Jill, a technician, is installing several PCs in a home that is pre-wired with Ethernet to seven rooms. In the wiring closet all the Ethernet cables are hanging free and are not labeled. Which of the following tools would the technician use to locate the cable that runs to each room?（）A、Extension magnetB、Toner probeC、MultimeterD、Optical Time Domain Reflectometer (OTDR)
An administrator is troubleshooting a power supply that is believed to have failed. Which of the following tools will BEST help test the power supply？（）A、ESD EquipmentB、MultimeterC、POST CardD、Toner Probe
A technician suspects the AC voltage into a PC power supply is bad. Which of the following toolswould MOST likely be used to confirm the diagnosis?（）A、MultimeterB、OscilloscopeC、Cable testerD、Power supply tester
Bob, a technician, is troubleshooting a PC that intermittently does not power on. Which of the following tools would be the BEST choice to use to verify a possible cause? （）A、Cable testerB、Ohm meterC、Field strength meterD、PSU tester
A server has been intermittently shutting off. The power going to the server was tested and is giving the appropriate voltages. Which of the following tools would be used to test the power supply？（）A、 POST diagnostic cardB、 OTDRC、 TDRD、 Multimeter
A server will not power on. Which of the following devices should the administrator use FIRST to determine the problem?（）A、Loop back plugsB、Power supply testerC、System logsD、TDR
A computer is failing to boot. Which of the following tools would be used FIRST in troubleshooting? （）A、Time Domain Reflectometer (TDR)B、OscilloscopeC、Power supply testerD、Spectrum analyzer
A user reports their laptop computer can no longer connect to a server. The computer works correctly in a different office. Which of the following tools would be used to troubleshoot this issue?（）A、Cable testerB、MultimeterC、Fiber splicerD、Loopback plug
单选题A user is reporting that their computer is making strange noises and randomly powers off. Which of the following tools would MOST likely be used to troubleshoot this problem?（）APOST diagnostic cardBPower supply testerCLoop back plugDCable tester
单选题A computer is failing to boot. Which of the following tools would be used FIRST in troubleshooting? （）ATime Domain Reflectometer (TDR)BOscilloscopeCPower supply testerDSpectrum analyzer
单选题A user reports that the computer’s hard drive is constantly running and the hard drive light is constantly flashing. Which of the following tools would be used to resolve this issue without losing data?（）AchkdskBfdiskCdefragDformat
单选题An administrator is troubleshooting a power supply that is believed to have failed. Which of the following tools will BEST help test the power supply？（）AESD EquipmentBMultimeterCPOST CardDToner Probe
单选题An administrator is unable to ping a workstation. Which of the following tools would BEST help toresolve the issue?（）ACable testerBMultimeterCToner probeDProtocol analyzer
单选题Which of the following tools is BEST used to measure voltage and amperage from a power source?（）ALoopback PlugBMultimeterCPower Supply TesterDExtension Magnet
单选题Bob, a technician, is troubleshooting a PC that intermittently does not power on. Which of the following tools would be the BEST choice to use to verify a possible cause? （）ACable testerBOhm meterCField strength meterDPSU tester
单选题A server has been intermittently shutting off. The power going to the server was tested and is giving the appropriate voltages. Which of the following tools would be used to test the power supply？（）A POST diagnostic cardB OTDRC TDRD Multimeter
单选题Jill, a technician, is installing several PCs in a home that is pre-wired with Ethernet to seven rooms. In the wiring closet all the Ethernet cables are hanging free and are not labeled. Which of the following tools would the technician use to locate the cable that runs to each room?（）AExtension magnetBToner probeCMultimeterDOptical Time Domain Reflectometer (OTDR)
单选题A server will not power on. Which of the following devices should the administrator use FIRST to determine the problem？（）A Loop back plugsB Power supply testerC System logsD TDR
单选题A technician receives a computer for repair and observes that the fan on the power supply is not moving. Which of the following should the technician do？ （）AMove the power supply voltage switch to 220 volts.BAdd an additional fan to help cool the computer.CReplace the cable that attaches the power supply to the motherboard.DReplace the power supply.
单选题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?（）ASATABFDDCIDEDATX
单选题A user reports their laptop computer can no longer connect to a server. The computer works correctly in a different office. Which of the following tools would be used to troubleshoot this issue?（）ACable testerBMultimeterCFiber splicerDLoopback plug