Refer to the exhibit.
Switch-1 and Switch-2 are AOS-Switches, which are iBGP peers. ISP 1 and ISP 2 advertise some routes to the same Internet destinations. Switch-1 and Switch-2 must select between these routes based on AS path length.
What is required for Switch-1 and Switch-2?
A. iBGP synchronization enabled
B. Multihop enabled for the connection to the iBGP neighbor
C. ECMP disabled for BGP
D. eBGP and iBGP administrative distance set to the same value