CCNA one of the questions

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Test center of the subject: Changes in the address of the source Ip/mac in the process of data communication

Test instructions: In the box shown, Route1 's IP address and MAC address of the corresponding information, as well as data frame information; The problem is that you can infer what route1 is going to do with data frame information.

Topic Analysis:

Such as:

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First, see the router has three interfaces, respectively, is F0/0,F0/1,F0/2; then, according to the data frame of the source and the IP known, the data in the router from the f0/0 into the F0/2 out; Finally, it is necessary to consider that the data should be unpacked first, stripped the source MAC address, and then in the f0/ 2 interface to re-encapsulate the source and the MAC address, the re-encapsulated source MAC address is for 0000.0c36.6965, the destination MAC address is the next hop entry MAC address 0000.0c07.4320

So, the answer is to choose ACF

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CCNA one of the questions