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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单项选择题

Which IP block is designated for private network use？（）

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

Which processor uses a Slot 1 configuration？（）

A.AMD Duron
B.AMD Thunderbird
C.Intel Pentium
D.Intel Pentium II

多项选择题

A Laser printer keeps getting a "Memory Overflow" error when printing a particular document. Which three of the following are possible fixes？（）

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）