What is the purpose of the first three pairs of digits in a MAC address?

The correct answer is D. indicates vendor of the network card or adapter. The first three pairs of digits in a MAC address represent the OUI (Organizationally Unique Identifier), which indicates the vendor or manufacturer of the network card or adapter. The OUI is assigned by the IEEE (Institute of Electrical and Electronics Engineers) to uniquely…

Network Fundamentals

Question

Options

Adefines a routing identifier for the client
Bindicates the IP address of the client in Hex
Cdefines packet forwarding priority sent or received by the adapter
Dindicates vendor of the network card or adapter

How the community answered

(39 responses)

A
3% (1)
B
8% (3)
C
3% (1)
D
87% (34)

Explanation

The first three pairs of digits in a MAC address represent the OUI (Organizationally Unique Identifier), which indicates the vendor or manufacturer of the network card or adapter. The OUI is assigned by the IEEE (Institute of Electrical and Electronics Engineers) to uniquely identify network device manufacturers. The remaining three pairs of digits in the MAC address are typically assigned by the manufacturer and serve as a unique identifier for the specific network interface card or adapter.

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#MAC Address#Networking Fundamentals#OUI#Network Adapters

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