多项选择题
A.Greater scalability is offered
B.The ASBR holds VPNv4 routes
C.Relative technical simplicity is offered
D.Lower relative security is offered
E.Multihop E-BGP between ASBRs is utilized
F.Better suitability for InterProvider VPNs is provided
单项选择题 WhichoptiondescribestheincorrectusageoftheLabelDistributionmethod？（）
单项选择题 SelectthestatementthatbestdescribesThecureforAmplificationPrincipleintheInternetdomain，asexplainedinRFC3429（InternetArchitecturalGuidelines）（）？
多项选择题 InwhichofthefollowingBGP-relatedeventsisanEnd-of-RIB（EOR）messagesent？（）