You are designing a network for a customer who has given you specific requirements for the Internet gateway:
-The device must validate BGP peers, and -Administrators must be able to verify that packet filters on the loopback interfaces are working as expected.
What are two features on the Internet gateway that address the customer’s requirements? (Choose two.)
A. packet counting and logging
B. routing protocol authentication
C. source network address translation
D. intrusion prevention system