The Bigtime router is unable to authenticate to the Littletime router. What is the cause of the problem?
![PrepAway - Latest Free Exam Questions & Answers](https://www.briefmenow.org/img/pa5.jpg)
A.
The usernames are incorrectly configured on the two routers.
B.
The passwords do not match on the two routers.
C.
CHAP authentication cannot be used on a serial interface.
D.
The routers cannot be connected from interface S0/0 to interface S0/0.
E.
With CHAP authentication, one router must authenticate to another router. The routers cannot
be configured to authenticate to each other.
Explanation:
With CHAP authentication, the configured passwords must be identical on each router. Here, it is
configured as little123 on one side and big123 on the other.