Which advantage does a VPLS solution offer over a simple MPLS Layer 2 VPN solution?

A.
extends Layer 2 connectivity across an IP network that uses non-Ethernet media
B.
provides data integrity and privacy for the company traffic
C.
provides MAC learning for VLANs extended across the MPLS region
D.
allows for a hub and spoke pseudo wire (PW) configuration instead of a full mesh
configuration
Hi
any one can help ?
any one know the right answer ?
thanks
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correct is C
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