A.PPPoA
B.Route Bridge Encapsulation（RBE）
C.PPPoE client
D.Integrated Routing and Bridging（IRB）
E.AAA
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A.FEC determines how IP packets are forwarded in MPLS LSP.
B.FEC determines how to establish an LSP path.
C.FEC determines how a group of IP packets are mapped to an LSP.
D.FEC determines how MPLS labels are stacked in LSP.
E.None of above.
A.Site-local
B.Link-local
C.Multicast
D.None of the above
A.1
B.2
C.3
D.4
E.5
F.6
A.MPLS TE
B.MPLS VPN
C.When CEF switching and Label switching is done
D.In all the above circumstances
A.Lightweight messaging
B.Memory management
C.Hardware abstraction
D.Host stack
E.Process scheduling
F.All of the above
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