Each AS domain contains more than one BGP router. Site-B sends traffic to ISP-1 over a directly
connected link, but Site-B is not used as an AS transit for the ISP-1 backbone. How should the
routes be advertised by ISP-1 towards Site-B to accomplish this task?

A.
Prefixes from site-A should be advertised with the no-export community
B.
Prefixes from site-B should be advertised with the no-export community
C.
Prefixes from site-B should be advertised with the no-advertise community
D.
Prefixes from site-A should be advertised with the as-path prepend attribute
E.
Prefixes from site-A should be advertised with the no-advertise community