Getting the MAC address of the remote host

Question

I just a moment ago saw a request for finding the MAC adress of a remote host. An answer was that the MAC address is always sent as part of the TCP/IP protocol.

How

Answer 1

Simple Answer: You can't.

Complex answer: You can, but you need to read the output from "arp -a" command. That might get difficult, depending on how many connections you currently have through your NIC (wireless or wired).