What is the standard IRQ for the keyboard？（）

A.glass cleaner
B.a simple ammonia and water solution followed by an antistatic solution
C.a bleach solution followed by water
D.compressed air

A.voltage
B.current
C.wattage
D.resistance

A.127.0.x.x
B.169.0.x.x
C.190.100.x.x
D.192.168.x.x