What is MAC address or Layer 2 address or physical address

What is a MAC Address? Full Form, How to Find it on Windows

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What is a MAC Address, and How to Find It?

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What Is A MAC Address And Why You Should Know About It?, by Lakshan Mamalgaha

What is network address

IPv4 Protocol, IPv4 header and fields of IPv4 header

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Multicast IPv4 address to MAC address mapping

Multicast IPv4 address to MAC address mapping