Refer to the exhibit. An administrator is trying to troubleshoot connectivity between PC1 and PC2 and uses the tracert command from PC1 to do it. Based on the displayed output, where should the administrator begin troubleshooting?

R1

Explanation:

Tracert is what is used in tracing the path taken by a packet. The successful reply is from the first device which is on the same LAN path as the host from where it is sent. The first device is R1 which is the default gateway of router. Therefore, the trouble shooting should begin from R1.

There is an attached document showing the diagram.

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answer inspecting packets in isolation from their context;