What is the purpose of a MAC address?

The correct answer is B. To uniquely identify a network interface in a LAN. A MAC (Media Access Control) address is a Layer 2 hardware address burned into a network interface card (NIC). It uniquely identifies that specific interface within a local area network segment. MAC addresses are not routable on the internet (IP addresses serve that purpose)…

Network Fundamentals

Question

Options

ATo uniquely identify a router in a LAN
BTo uniquely identify a network interface in a LAN
CTo uniquely identify a device on the internet
DTo uniquely identify a switch in a LAN

How the community answered

(19 responses)

B
84% (16)
C
5% (1)
D
11% (2)

Explanation

A MAC (Media Access Control) address is a Layer 2 hardware address burned into a network interface card (NIC). It uniquely identifies that specific interface within a local area network segment. MAC addresses are not routable on the internet (IP addresses serve that purpose) and are not limited to identifying only routers or only switches - any device with a NIC (PC, router, switch, etc.) has a MAC address assigned to its interface.

Topics

#MAC address#Network interface#Layer 2#LAN

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