A network administrator needs to configure a serial link between the main office and a remote location. The router at the remote office is a non-Cisco router. How
should the network administrator configure the serial interface of the main office router to make the connection?

Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers?

Which Layer 2 protocol encapsulation type supports synchronous and asynchronous circuits and has built-in security mechanisms?

What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?

Which command is used to enable CHAP authentication, with PAP as the fallback method, on a serial interface?

What are three reasons that an organization with multiple branch offices and roaming users might implement a Cisco VPN solution instead of point-to-point WAN
links? (Choose three.)

What can be done to Frame Relay to resolve split-horizon issues?(Choose two.)

The command show frame-relay map gives the following output:
Serial 0 (up): ip 192.168.151.4 dlci 122, dynamic, broadcast, status defined, active
Which statements represent what is shown?(Choose three.)

At which layer of the OSI model does PPP perform?

Which protocol is an open standard protocol framework that is commonly used in VPNs, to provide secure end-to-end communications?