多项选择题
Which three are well-known mandatory BGP attributes？（）
A.Origin B.As path C.Next hop D.Community E.Multiple exit discriminator
单项选择题 WhichattributecaninfluenceinboundtrafficflowsfromaneighboringAS？（）
单项选择题 WhichBGPattributeisconsideredfirstasatie-breakerinJUNOSsoftware？（）
单项选择题 Whichstatementwouldpreventthesendingofredundantrouteadvertisementswhenyourroutereflectorclusterisfullymeshed？（）
