In a multihomed environment with two ISP connections, which two statements are true? (Choose two)
A.
The customer should not be configured to act as a transit AS between the two ISPs.
B.
It is recommended that the multi-homed customer use a registered (public) AS number.
C.
AS-Path prepending can be configured on the customer’s edge router to influence the BGP path selection process for the outbound traffic (traffic from the customer to the ISPs).
D.
The customer can use Local Preference on the customer’s edge routers to influence the BGP path selection process for the inbound traffic (traffic from the ISPs to the customer).
E.
The advertisement of customer’s IP address space can be conditioned by the customer’s edge routers by using a static route to the null0 interface and by using the proper network statement under router bgp.
Explanation:
1. A Customers do not want to become a transit for ISP’s
2. E This a valid way to advertise routes to the ISP Wrong
1. B ISP essentials says most popular, does not say recommend
2. C affects inbound traffic
3. D local preference is for outbound traffic