A．MAC(medium access control)
B．ARP(address resolution protocol)
C．NAT(network address translation)
D．CIDR(classless interdomain routing)
[单选题]（）is used to protect goods not to be deteriorated like food and medicine.A . packagingB . Green PackagingC . Vacuum packagingD . Special packaging
[单选题]What is used as an indicator of initial stability? （）A . GMB . KGC . KMD . GZ
[单选题]What I have to say refers( )all of you.A.onB.toC.ofD.in
[单选题]What type of extinguisher should be used for an electric fire? ________A．CO2B．FormC．WaterD．Water and Form
[单选题]A．(68)is used to show you what the computer is doing. It is called(69)equipment as well as the keyboard, the mouse and the printer.A．moniterB．modemC．printerD．shower
[单选题]What kind of cable should be used to establish a trunked line between two Catalyst switches?A．A straight-through cableB．An EIA/TIA-232 serial cableC．An auxiliary cableD．A modem cableE．A cross-over cable
[单选题]What should be used to steer an open lifeboat if the rudder becomes lost or damaged?（）A . Sea anchorB . Steering oarC . Spare rudderD . Dagger board
[单选题]What is the main rhetoric device used in “The plowman homeward plods hiswea
[单选题]What is the main rhetoric device used in \"The Pentagon was divided onthe a
[单选题]What stage can the following grammar activity be used at? The teacher asked