What is the purpose of the MAC address which is added to an e-mail message that is sent from a teacher to a student?
- It identifies the network to which the sending computer belongs.
- It identifies the computer on the Internet.
- It identifies the TCP/IP network application to which the reply can be sent.
- It identifies the computer on the LAN.
Explanation: A Media Access Control (MAC) address is unique on every device. An Internet Protocol (IP) address is used to communicate with devices on another LAN or on the Internet.
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