CCNA Cisco Certified Network Associate (#24)

Section: Version 3.0

Refer to the topology below and answer the following question.

Why has the Branch3 router lost connectivity with R1? Use only show commands to troubleshoot because usage of the debug command is restricted on the Branch3 and R1 routers.

A PPP chap hostname mismatch is noticed between Branch3 and R1
A PPP chap password mismatch is noticed between Branch3 and R1
PPP encapsulation is not configured on Branch3
The PPP chap hostname and PPP chap password commands are missing on the Branch3 router