多项选择题
A.origin
B.router-ID
C.AS-path
D.local-preference
E.next-hop
问答题 简述相同的网段的互相访问问题。
单项选择题 InBGProuting，whatdoestheruleofsynchronizationmean？（）
单项选择题 YouhavearouterrunningBGPfortheMPLSnetworkandOSPFforthelocalLANnetworkatthesalesoffice.ArouteisbeinglearnedfromtheMPLSnetworkthatalsoexistsontheOSPFlocalnetwork.ItisimportantthattherouterchoosesthelocalLANroutebeinglearnedfromthedownstreamswitchrunningOSPFratherthantheupstreamBGPneighbor.Also，ifthelocalOSPFroutegoesaway，theBGProuteneedstobeused.WhatshouldbeconfiguredtomakesurethattherouterwillchoosetheLANnetworkasthepreferredpath？（）