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单项选择题Host 1 sends an ICMP echo request to remote sever1. Layer2 header of the frame containing the ping packet（）。

A、The IP address of sever 1.

B、The MAC address of NIC in sever 1.

C、The IP address of F0/0 interface of router R1.

D、The MAC address of the Fa0/0 interface of router R1.

E、The IP address of the s0/0/0 interface of router R2

F、The MAC address of the s0/0/0 interface of router R2

  • D

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