Every NIC Card attached to the node of a network has a unique MAC address.…
2023
Every NIC Card attached to the node of a network has a unique MAC address. This MAC address is of _____ bit address.
- A.
48
- B.
96
- C.
128
- D.
256
- E.
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Correct answer: A
MAC address = Physical address of a device
Assigned by the manufacturer
Used at the Data Link Layer (Layer 2)
Structure:
48 bits total
First 24 bits → Manufacturer (OUI)
Last 24 bits → Device-specific