单项选择题
A.It supports ATM signaling. B.It supports traffic shaping of packets in MPLS to the ATM path. C.It supports ATM switched virtual circuits D.It supports fragmentation and reassembly. E.It supports AAL5 SDU switching
IntheCiscoResilientEthernetProtocol（REP），howmanyportsar...
单项选择题In the Cisco Resilient Ethernet Protocol （REP）， how many ports are always blocking？（）
A.zero B.at least one C.at least two D.at least four E.at least three
WhichtwostatementsaboutOSPFIPv6routingaretrue？（）A.It re...
多项选择题Which two statements about OSPF IPv6 routing are true？（）
A.It requires OSPF version 3. B.automatically detects neighbors over NHMA interfaces C.It supports encryption using D.It uses LSA type 9 E.It uses LSA type 8
