What is the purpose of a MAC address on a network device?

The correct answer is C. unique hardware address that identifies the network interface of a device. A MAC (Media Access Control) address is a unique hardware address burned into the network interface card (NIC) by the manufacturer. It operates at Layer 2 (Data Link) of the OSI model and uniquely identifies the physical network interface. Option A is incorrect because 'network a

Network Fundamentals

Question

Options

Aunique network address that identifies the network interface of a device
Bunique network interlace address that is provided by the DHCP server
Cunique hardware address that identifies the network interface of a device
Dunique hardware interface address that is provided by the central switch

How the community answered

(36 responses)

B
6% (2)
C
92% (33)
D
3% (1)

Explanation

A MAC (Media Access Control) address is a unique hardware address burned into the network interface card (NIC) by the manufacturer. It operates at Layer 2 (Data Link) of the OSI model and uniquely identifies the physical network interface. Option A is incorrect because 'network address' implies logical addressing (like IP), not hardware. Option B is wrong because MAC addresses are not assigned by DHCP - DHCP assigns IP addresses. Option D is wrong because MAC addresses are assigned by the manufacturer, not a central switch.

Topics

#MAC address#Network interface#Hardware address#Layer 2

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