Which of the following protocols are supported by the Alcatel-Lucent 7750 SR for the creation of transport tunnels within an autonomous system?
A . MP-BGP, LDP, RSVP-TE
B . LDP, RSVP-TE, GRE
C . MP-BGP, RSVP-TE, GRE
D . MP-BGP, LDP
E . MP-BGP only
Answer: B