Your Network Connections to the Internet Through Two Different ISPs

Your network connections to the Internet through two different ISPs using EBGP. You must ensure that ISP1 is the primary path used for all traffic entering your network while using ISP2 as a backup path. In this scenario, which statement is correct?

A) You should use a lower MED value on routes sent to ISP1.
B) You should assign a higher local preference on routes that you are sending to ISP1.
C) You should change the next hop for all routers sent to ISP2.
D) You should prepend your local AS number three times on routes that you are sending to ISP2.