Which two conditions must be met before separate ISPs can provide interdomain multicast routing? (Choose two.) 

Answer options:

A. Each ISP must configure MSDP to connect its individual multicast administrative domain to the domains at other ISPs.
B. Each ISP must dedicate a single router to handle multicast traffic between providers.
C. Each ISP must replace its RP assignment with a global RP.
D. Each ISP must configure its network to use PIM-DM.
E. Each ISP must support intradomain multicast routing.

AE