A.10GHZ B.20GHZ C.50GHZ D.100GHZ
A.基于TCP/IP的局域网 B.基于HDLC的局域网 C.基于内部协议的局域网
A.50GHz B.100GHz C.2500GHz D.200GHz
A.M8×100 B.M10×100 C.M11×100 D.M12×100
A.OMP B.SMP C.SPB D.UIM
