1. you want to load a Cisco proprietary encapsulation protocol over the serial link, what command do you use? (A) encapsulation ppp (B) encapsulation hdlc (C) serial link ppp (D) serial link hdlc 2....

1. you want to load a Cisco proprietary encapsulation protocol over the serial link, what command do you use? (A) encapsulation ppp (B) encapsulation hdlc (C) serial link ppp (D) serial link hdlc

2. Your router is unable to communicate over the WAN link that is connected to serial 0/0. What commands would you use to verify the status of the port? (Select two.) (A) show ip route (B) show interfaces (C) show ppp (D) show hdlc (E) show ip interface brief

3. What are the requirements to configure PPP authentication between NY-R1 and TOR-R1? (Choose three.) (A) Set the hostname on each router to the same name. (B) Set the hostname on each router to a unique name. (C) Create a username on each router named PPP. (D) Create a username on each router that matches the hostname of the other router. (E) Enable PPP authentication on both routers and specify either PAP or CHAP as the authentication protocol. (F) Enable PPP authentication on the first router configured and specify either PAP or CHAP as the authentication protocol.