单项选择题
When replacing a power supply， what MUST the technician observe？（）
A.voltage
B.current
C.wattage
D.resistance
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相关考题
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单项选择题
WhichIPblockisdesignatedforprivatenetworkuse？（）
A.127.0.x.x
B.169.0.x.x
C.190.100.x.x
D.192.168.x.x -
单项选择题
WhichprocessorusesaSlot1configuration？（）
A.AMD Duron
B.AMD Thunderbird
C.Intel Pentium
D.Intel Pentium II -
多项选择题
ALaserprinterkeepsgettinga"MemoryOverflow"errorwhenprintingaparticulardocument.Whichthreeofthefollowingarepossiblefixes？（）
A.reset the printer cable
B.replace the toner cartridge
C.decrease the print resolution
D.add more RAM to the printer
E.reduce the RET（Resolution Enhancement Technology）
