Click on the exhibit.
AS 65540 is using MPLS to provide BGP shortcuts for its iBGP routing. Which routers must be configured with the “configure router bgp igp-shortcuts rsvp-te” command?
A. Routers R6, R1, R4 and R5.
B. Routers R1and R4.
C. Routers R1, R2, R3 and R4.
D. Routers R2 and R3.