$6.$ Given what we have configured so far, you should now be able to ping the networks on their respective routers. For example, based on our original topology, PC $2$ on Subnet D should be able to ping PC $5$ on Subnet G$.$ Troubleshoot if required.

Insert an image of the successful ping between PC $2$ and PC $5$ below.

$7.$ If you attempt to ping Server $2$ from PC $5$ what happens?

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Why?

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What are $2$ different methods $($do not say tunnelling$)$ that we could use to make communication happen?