______ is a device which enables digital microcomputers to communicate across analog telephone lines...

Token Ring Token Bus Ethernet FEEI

The repeater The modem The hub The printer

The repeater The modem The hub The printer

NetBEUI IP IPX NCP

NetBEUI IP IPX NCP

The66isachannel’scapacitywhichdirectlyreflectst

volume bandwidth noise delay

71isadevicewhichenablesdigitalmicrocomputerstocomm

The switch The modem The hub The repeater

Token Ring Token Bus Ethernet FDDI

The repeater The modem The hub The printer

The volume The bandwidth The noise The delay

73isadevicewhichenablesdigitalmicrocomputerstocomm

The switch The modem The hub The repeater

The volume The bandwidth The noise The delay

The66isachannel’scapacitywhichdirectlyreflectst

Token Ring Token Bus Ethernet FDDI

Anelectricaldevicewhichemploysastationaryarmaturea

magnetic amplifier ship ’s service alternator three-wire DC generator saturable core reactor

The repeater The hub The bridge The router

The repeater The hub The bridge The router

The volume The bandwidth The noise The delay

The repeater The hub The bridge The router

缝翼系统中的无压刹车PRESSUREOFFBRAKE由控制

方向活门中的一个；（ENABL电磁活门；可变差动压力。