Question 21:
The CTO of a company requires the support of a network consultant to deliver an MPLS solution without resigning to a certain degree of redundancy and scalability. Which solution effectively scales to hundreds or thousands of sites?
Answer options:
A. L2VPN with the broadcast traffic processed at the ingress PE.B. L3VPN with direct LSP connectivity between all PEs. C. L2VPN by encapsulating multiple frame formats with interworking. D. L3VPN using a hierarchical topology of N-PEs and U-PEs.