多項選擇題Which three choices are BGP Extended communities used in MPLS-VPN deployment？（）

A.Site Of Origin SOO
B.Route-Target
C.Route-Distinguisher
D.Domain Identifier BGP extended commumity


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1.單項選擇題When configuring Multicast VPN （MVPN） over an MPLS core， both the Default and Data MDT isconfigured under which configuration mode？（）

A.router（config）#
B.router（config-if）#
C.router（config-vrf）#
D.router（config-router）#
E.router（config-router-af）#

2.多項選擇題Which two statements best describe EtherChannel？（）

A.EtherChannel technology helps aggregate traffic grouping multiple，full-duplex point-to-point linkstogether
B.EtherChannel technology is based on the 802.1 IEEE stand
C.EtherChannel can aggregate up to 800 Mbps，8 Gbps，or Gbps of aggregate bandwidth for a Fast EtherChannel，Gigabit EtherChannel，or 10 Gigabit EtherChannel connection respectively
D.EtherChannel is defined for Rapid Spanning Tree for faster convergence

3.單項選擇題RFC 3270 describes Differentiated Services （Diff-Serv） over Multi-Protocol Label Switching （MPLS）networks. Which model alters Differentiated Services （Diff-Serv） code points set in different DifferentiatedServices （Diff-Serv） domain？（）

A.Uniform model
B.Pipe Model
C.Short Pipe
D.None of the above will alter Differentiated Services（Diff-Serv）code points set in different DifferentiatedServices（Diff-Serv）domain

4.多項選擇題Identify the differences of option 10A， as opposed to option 10C， for interAS vpn offerings. For option 10A（）.

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

5.單項選擇題Which option describes the incorrect usage of the Label Distribution method？（）

A.LDP is primarily used in internal networks of MPLS-VPN providers.
B.MP-BGP is used for label distribution for VPN customer routes.
C.Directed LDP is used for label distribution in L2-VPN Attachement Circuits.
D.MP-BGP is used for label distribution in MPLS Traffic Engineered networks.