Examine the topology shown above. Within Transit AS 51001, CK3 is setup as a route reflector for CK1 and CK2 , and CK4 is setup as a route reflector for CK5 and CK6 . In this case, how many IBGP sessions are required with the Transit AS 51001? Exhibit:
A. 4
B. 5
C. 10
D. 15
E. 30
F. 36