Cisco 200-125 Exam
What is the first 24 bits in a MAC address called?
- A. NIC
- B. BIA
- C. OUI
- D. VAI
Answer: Option C.
Explanation:
An Organizationally Unique Identifier (OUI) is a 24-bit number that uniquely identifies a vendor, manufacturer, or other organization globally or worldwide. They are used as the first 24 nits of the MAC address to uniquely identify a particular piece of equipment.