A Service Provider Would Like to Provide a Service Allowing

Multiple Choice

A service provider would like to provide a service allowing customers to span VLANs across multiple campuses. Which configuration will allow this service provider to achieve its desired result with a minimal effect on the scalability of PE routers?

A) RFC 2547-based service, with MPLS/LDP between PE and CE (in other words, CsC)
B) VPWS service, with 802.1Q between PE and CE
C) RFC 2547-based service, with L2TPv3 between PE and CE
D) VPWS service, with QinQ between PE and CE