In the Carrier Supporting Carrier (CsC) feature, which two options represent protocols that run
between CSC-PE and CSC-CE? (Choose two.)

A.
IGP and EBGPv4
B.
IGP and RSVP
C.
IGP and LDP
D.
EBGPv4 with a sending community
E.
EBGPv4 with a sending label