Question 1 of 30
In a service provider network, you are tasked with configuring BGP for a new customer connection. The customer has two routers, Router A and Router B, both of which need to establish a BGP session with your edge router. The customer wants to implement a route filtering policy that allows only specific prefixes to be advertised to them. Given the following prefix list: 192.0.2.0/24, 198.51.100.0/24, and 203.0.113.0/24, which configuration would best achieve the desired outcome while ensuring that the BGP session remains stable and efficient?
Use a prefix list to permit the specified prefixes and apply it to the outbound BGP neighbor configuration.
Configure a route map that denies all prefixes except the specified ones and apply it to the inbound BGP neighbor configuration.
Implement a community string to tag the prefixes and filter based on community attributes in the BGP session.
Set up a static route for each prefix and redistribute them into BGP to ensure they are advertised to the customer.

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