A.Ingress MDA

B.Network ingress port

C.ES egress SAP

D.Shared buffer space

E.Epipe ingress SAP

F.VPRN ingress interface

A.A frame with a single VLAN tag of 500 will be forwarded to VPLS 1.

B.A frame with an outer VLAN tag of 200 and inner VLAN tag of 300 will be forwarded to VPLS 3.

C.A frame with an outer VLAN tag of 100 will be forwarded to VPLS 2.

D.All untagged frames will be dropped.

E.All frames with more than one VLAN tag will be dropped.

A.172.12.10.0/24 and 172.12.20.0/24

B.172.12.10.0/24, 172.12.20.0/24 and 172.0.0.0/16

C.172.0.0.0/16 only

D.172.12.0.0/16 only

A.Router C sends the update to routers D, E and F.

B.Router C sends the update to routers E and F only.

C.Router C sends the update to routers A, B, D, E and F.

D.Router C sends the update to routers A, B, E and F.

A.5

B.7

C.3

D.1

E.10