单项选择题
A.RIP B.BGP C.OSPF D.EIGRP
A.Packet over SONET/SDH B.PPP over Software， C.Phone of Science Technology D.Pluse of Serial
A.ISIS B.OSPF C.RIP D.IGRP
A.100M全双工 B.100M半双工 C.10M全双工 D.10M半双工
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