PE1 has connections to VPN sites that are served by three remote PE routers. How many LSP’s must be established to support 2547bis？（）

A.Configure a site ID for each CE
B.Configure a VPN label for each VPN
C.Configure a MP-BGP session to each PE
D.Configure an Extended LDP Session to each PE

A.CPE VPN’s require dedicated VPN aware hardware at customer site， PPVPN does not.
B.PPVPN’s require dedicated VPN aware hardware at customer site， CPE VPN’s does not.
C.CPE VPN’s scale better than PPVPN’s as they do not require a per site configuration on the CPE
D.PPVPN’s scale better than CPE VPN’s as they do not require a per site configuration on the CPE

A.L2F
B.PPTP
C.Circuit cross-connect
D.Draft-Martini-based VPNs
E.Draft-Kompella-based VPNs