A.multipart-to-multipoint EVC （E-LAN）
B.hub spoke EVC （E-Tree）
C.point to point EVC （E-Line）
D.rooted multipoint EVC （E-Tree）
E.point-to-multipoint EVC （E-Tree）

A.MPLS TE supports admission control
B.MPLS TE tunnel traffic is a link attribute to compute the TE tunnel path
C.MPLS TE uses BGP extension to advertise link attributes
D.MPLS TE provides protection capability
E.MPLS TE uses RSVP to establish LSP

A.Allows the transportation of all forms of traffic
B.Multiplexing is easy
C.Clocks do not need to be synchronized
D.Reduces network complexity and cost
E.Padding is not necessary and not permitted

A.It is mainly used in Intra-AS MPLS VPLS deployments and is configured at the ASBR to avoid misconfiguration of the Route Target assignment for VPN configurations
B.It is mainly used in Inter-AS MPLS VPN deployments and is configured at the ASBR to avoid misconfiguration of the Route Target assignment for VPN configurations
C.It is mainly used in Intra-AS MPLS VPLS deployments and is configured at the Router Reflectorto avoid misconfiguration in Route Target assignment for VPN configurations
D.It is mainly used in Inter-AS MPLS VPLS deployments and is configured at the Router Reflectorto avoid misconfiguration of the Route Target assignment for VPN configurations
E.It is mainly used in Inter-AS MPLS VPLS deployments and is configured at the PE router to avoid to misconfiguration of the Route Target assignment for VPN configurations

A.Routing information received through an IBGP session is not forwarded to another IBGP neighbor， onlyto EBGP neighbors
B.Routing information received through an EBGP session is not forwarded to another EBGP neighbor，only to IBGP neighbors
C.BGP neighbor peerings are established and sychronized using the TCP 3-way handshake
D.BGP shall not advertise a route until that route has been learned via an IGP also