多选题Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true (Choose two.)（）。ARouter C will use ICMP to inform Host 1 that Host 2 cannot be reachedBRouter C will use ICMP to inform Router B that Host 2 cannot be reachedCRouter C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reachedDRouter C will send a Destination Unreachable message typeERouter C will send a Router Selection message typeFRouter C will send a Source Quench message type
多选题
Host 1 is trying to communicate with Host 2. The e0 interface on 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
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