多项选择题
When you design QoS on CE for an MPLS Layer 2 VPN， which three things should be considered？（）
A.Layer 2 access link QoS design
B.enterprise-to-service-provider mapping models
C.Layer 3 link access QoS design
D.service provider service level agreements
E.Layer 2 link access load balancing
相关考题
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单项选择题
WhichdescriptionofBGPauthenticationistrue？（）
A.MD5 has been used by BGP to encrypt BGP update packets.
B.BGP uses a message-digest algorithm to authenticate BGP peers
C.A plain-text password authentication is an option of BGP authentication
D.EBGP peers authentication is faster than IBGP peers authentication
E.BGP uses public key and private key to authenticate BGP peers. -
单项选择题
WhatisthetypicalmarkedDSCPvalueforavoicesignalingpacketinVoIPtechnology？（）
A.BE
B.AF41
C.AF21
D.EF
E.AF31 -
多项选择题
Whichthreestatementsabouttheroutetarget（RT）aretrue？（）
A.The RT is a BGP extended community.
B.The RT is an 8-byte field that is prefixed to an IPv4 address to make it a unique VPNv4 address.
C.When a VPN route that is learned from a CE router is injected into BGP， one or more RTs are associated with it
D.The distribution of VPN routing information is controlled through the use of VPN RTs
E.When a VPN route that is learned from a CE router is injected into BGP， there is always one RT that is associated with it.
