If your enterprise is connected to 2 ISP, which method could you use to prevent being used as a transit network? (Choose Two)

A.
filter outbound

B.
filter inbound

C.
throw both ISP

D.
choose only one ISP

E.
Allow every routes inbound

Explanation:
https://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/23675-27.html