16.
How should a router that is being used in a Frame Relay network be configured to keep split horizon issues from preventing routing updates?

17.
Which of the following encapsulates PPP frames in Ethernet frames and uses common PPP features like authentication, encryption, and compression?

18.
How should a router that is being used in a Frame Relay network be configured to keep split horizon issues from preventing routing updates?

19.
How should a router that is being used in a Frame Relay network be configured to keep split horizon issues from preventing routing updates?