Refer to the exhibit. The Bigtime router is unable to authenticate to the Littletime router. What is the cause of the problem?
Refer To The Ex 1 (26.6 KiB) Viewed 49 times
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.
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