640-802 CCNA Study Guide - Elktech.org

Cisco 640-802 Exam
Based on the information shown above, when the Company network administrator attempts to
ping Host Company-PC2 from Host Company-PC1 and shown. What is a possible problem?
A. The link between Company1 and Company2 is down.
B. Interface Fa0/0 on Company2 is shutdown.
C. The link between Company2 and Company3 is down.
D. The default gateway on Company-PC1 is incorrect.
Answer: C
Explanation:
QUESTION NO: 306
Refer to the exhibit. The Bigtime router is unable to authenticate to the Littletime router. What is
the cause of the problem?
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
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