Refer to the exhibit． What is the correct addressing for a frame and packet received by Host B from Host A?

A、 Destination MAC: 0011．43da．2c98
Source MAC: 0070．0e8f．088a
Destination IP: 192．168．60．5
Source IP: 192．168．24．5
B、 Destination MAC: 0011．43da．2c98
Source MAC: 00b0．d0ef．5f6a
Destination IP: 192．168．60．5
Source IP: 192．168．24．5
C、 Destination MAC: 0011．43da．2c98
Source MAC: 0070．0e8f．088a
Destination IP: 192．168．60．5
Source IP: 192．168．60．1
D、 Destination MAC: 0011．43da．2c98
Source MAC: 0070．0e97．af4e
Destination IP: 192．168．60．5
Source IP: 192．168．60．2

【正确答案】 A

【答案解析】我们来看一下包发送的过程：Host A发送的：source ip: 192．168．24．5, destination ip: 192．168．60．5 Source mac:00b0．doef．5f6a , destination mac: 0007．0e56．ab2eSwitch1收到后经过查找mac table,不做任何修改发往 Router 1Router 1 发送的：source ip 192．168．24．5 destination ip : 192．168．60．5 Source mac : 0007．0e8f．088a , destination mac:0011．43da．2c98