单项选择题
Cisco IOS XR has implemented a nonstop routing feature so that when RP failover occurs， the routinginformation can be recovered locally. Which protocol does not support the NSR feature？（）
A.OSPF B.LDP C.BGP D.IS-IS E.RSVP
单项选择题 WhichstatementaboutFrameRelayisnottrue？（）
多项选择题 Option10CisanimplementationofInter-ASMPLSVPN.WhichtwostatementsaboutOption10Caretrue？（）
单项选择题 WhichstatementabouttheCiscoMPLSTEFastReroute（FRR）nodeprotectionoperationisnotcorrect？（）
