Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.
Why is the serial link between router R1 and router R2 not operational?
- The encapsulation in both routers does not match.
- The authentication type is not the same in both routers.
- The passwords are different in both routers.
- In each case the expected username is not the same as the remote router hostname.
Explanation: The hostname in one router must be the same as the username in the other router, unless a username is specified with the ppp pap sent-username interface command.
Exam with this question: CCNA 4 Chapter 2 Exam Answers