单选题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?（）AMultimeterBOscilloscopeCCable testerDPower supply tester
单选题
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
Multimeter
B
Oscilloscope
C
Cable tester
D
Power supply tester
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
If a technician suspects that the voltage being delivered to a desktop computer’s power supply is insufficient or incorrect, which device should be used to determine the correct voltage?（）A、A power supply testerB、A multimeterC、A loopback adapterD、A cable 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 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
Which of the following is the MOST likely to cause a server power supply fan to fail but allows the power supply to still be functional？（）A、DustB、Power SurgeC、Excessive humidityD、High temperatures
The technician has replaced a power supply with an identical power supply, and now the high end graphics card is not working. Which of the following should the technician check?（）A、The memoryB、The CMOS batteryC、The PCIe power jackD、The processor for chip creep
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 has just installed a new power supply into a desktop computer and now the computer will not turn on. Which of the following is the MOST likely cause?（）A、The voltage selector switch on the power supply is set incorrectly.B、The 3.3v power line is connected to the wrong input on the motherboard.C、The new power supply voltage rating is too high.D、The 12v power cord is installed incorrectly.
An administrator has a malfunctioning uninterruptible power supply (UPS). Which of the following is the MOST likely cause of the problem?（）A、Battery needs to be replacedB、Light switch is turned offC、Smart cable is disconnectedD、UPS needs a firmware update
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
Which of the following factors is the MOST likely cause of a power supply fan failure？（）A、 Extreme temperature variancesB、 Extreme humidity variancesC、 Power stability fluctuationsD、 Excessive dust accumulation
A technician arrives in Germany and discovers that when their PC is plugged into the outlet, nopower is received. Which of the following actions should the technician take to get the PC tooperate?（）A、Change the BIOS settings to the local timeB、Adjust the voltage selector switchC、Attach a 220 volt power strip from the current region to the PCD、Attach a 120 volt battery backup power supply to the PC
Which of the following should a technician MOST likely use to test a RS-232 port?（）A、Loopback adapterB、Power supply testerC、The ping commandD、Multimeter
单选题An administrator has a malfunctioning uninterruptible power supply (UPS). Which of the following is the MOST likely cause of the problem?（）ABattery needs to be replacedBLight switch is turned offCSmart cable is disconnectedDUPS needs a firmware update
单选题A technician arrives in Germany and discovers that when their PC is plugged into the outlet, nopower is received. Which of the following actions should the technician take to get the PC tooperate?（）AChange the BIOS settings to the local timeBAdjust the voltage selector switchCAttach a 220 volt power strip from the current region to the PCDAttach a 120 volt battery backup power supply to the PC
单选题Which of the following factors is the MOST likely cause of a power supply fan failure？（）A Extreme temperature variancesB Extreme humidity variancesC Power stability fluctuationsD Excessive dust accumulation
单选题A technician does not have power to a PC. Which of the following tools should the technician use to check for electricity?（）ACable testerBPower supply testerCTone generatorDMultimeter
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If a technician suspects that the voltage being delivered to a desktop computer’s power supply is insufficient or incorrect, which device should be used to determine the correct voltage?（）AA power supply testerBA multimeterCA loopback adapterDA cable tester
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Which of the following is the MOST likely to cause a server power supply fan to fail but allows the power supply to still be functional？（）ADustBPower SurgeCExcessive humidityDHigh temperatures
单选题A technician has just installed a new power supply into a desktop computer and now the computer will not turn on. Which of the following is the MOST likely cause?（）AThe voltage selector switch on the power supply is set incorrectly.BThe 3.3v power line is connected to the wrong input on the motherboard.CThe new power supply voltage rating is too high.DThe 12v power cord is installed incorrectly.
单选题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?（）AMultimeterBOscilloscopeCCable testerDPower supply tester
单选题An administrator has a malfunctioning uninterruptible power supply （UPS）. Which of the following is the MOST likely cause of the problem？（）A Battery needs to be replacedB Light switch is turned offC Smart cable is disconnectedD UPS needs a firmware update