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
Which of the following factors is the MOST likely cause of a power supply fan failure？（）
A
Extreme temperature variances
B
Extreme humidity variances
C
Power stability fluctuations
D
Excessive dust accumulation
参考解析
解析：
暂无解析
相关考题：
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. MultimeterB. OscilloscopeC. Cable testerD. Power supply tester
Which of the following is the MOST important physical consideration when deploying a new server?() A. Humidity monitors, Biometrics, and fire suppressionB. Cooling, rack space, and power requirementsC. Service level agreements, uninterruptible power supply (UPS) deployment, and CCTVD. Biometrics, fire suppression, and power requirements
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
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 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 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
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
The user turns on the computer and hears a popping sound and detects a burning smell. Thesystem will not power on. Which of the following is the MOST likely problem?（）A、Power supply has blown.B、CPU fan is faulty.C、Motherboard has overheated and shutdown.D、UPS has been tripped.
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.
Which of the following is MOST useful in HVAC planning？ （）A、 Uninterruptible Power Supply （UPS） loadB、 HumidityC、 AmperageD、 VoltageE、 Temperature
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
Which of the following factors is the MOST important to consider when choosing an uninterruptible power supply （UPS） for a single server？ （）A、 UPS form factorB、 Server form factorC、 Server power supplys wattage ratingD、 Desired runtime
Which of the following is the MOST important physical consideration when deploying a new server？（）A、 Humidity monitors， Biometrics， and fire suppressionB、 Cooling， rack space， and power requirements冷C、 Service level agreements， uninterruptible power supply （UPS） deployment， and CCTVD、 Biometrics， fire suppression， and power requirements
Which of the following is the MOST important physical consideration when deploying a new server?（）A、Humidity monitors, Biometrics, and fire suppressionB、Cooling, rack space, and power requirementsC、Service level agreements, uninterruptible power supply (UPS) deployment, and CCTVD、Biometrics, fire suppression, and power requirements
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
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
An SNMP alert has been generated by a server in the main data center.The alert stated that the internal temperature of the server has exceeded the threshold.No other servers in the rack have experienced problems，and no other alerts have come from that server about any other events.Which of the following is the cause of this issue？（）A、Rack cooling equipment failureB、Dust collection in the serverC、Server processor failureD、Server power supply failure
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Which of the following factors is the MOST likely cause of a power supply fan failure?（）AExtreme temperature variancesBExtreme humidity variancesCPower stability fluctuationsDExcessive dust accumulation
单选题Which of the following is the MOST important physical consideration when deploying a new server？（）A Humidity monitors， Biometrics， and fire suppressionB Cooling， rack space， and power requirements冷C Service level agreements， uninterruptible power supply （UPS） deployment， and CCTVD Biometrics， fire suppression， and power requirements
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Which of the following factors is the MOST important to consider when choosing an uninterruptible power supply （UPS） for a single server？ （）A UPS form factorB Server form factorC Server power supplys wattage ratingD Desired runtime
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 reboots a ten drive server, with a RAID 10 array, after a power failure and receives an error logical drive failed. Which of the following is the MOST likely cause?（）ACorrupt file system tableBBackplane failureCMultiple drive failureDBad cable
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