200-125 dumps

QUESTION 21
Host 1 is trying to communicate with Host 2. The e0 interface on CCNA Router C is down. Which of the following are true? (Choose two.)

A. Router C will use ICMP to inform Host 1 that Host 2 cannot be reached.
B. Router C will use ICMP to inform Router B that Host 2 cannot be reached.
C. Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached.
D. Router C will send a Destination Unreachable message type.
E. Router C will send a Router Selection message type.
F. Router C will send a Source Quench message type.
Correct Answer: AD Section: (none)Explanation
Explanation/Reference:

QUESTION 22
What isthe difference between a CSU/DSU and a modem?

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