What is true about the Ethernet MAC address? (Choose three.)

IT Questions BankCategory: CCNA 1 v6What is true about the Ethernet MAC address? (Choose three.)

What is true about the Ethernet MAC address? (Choose three.)

  • A MAC address is 32 bits in length.
  • The first 6 hexadecimal digits of a MAC address represent the OUI.
  • The IEEE is responsible for assigning vendors a unique 6-byte code.
  • The vendor is responsible for assigning the last 24 bits of the MAC address.
  • The MAC address is also known as a burned-in address.

Explanation: The Ethernet MAC address is 48 bits in length with the first 3 bytes (6 hexadecimal digits) assigned by the IEEE. The vendor is responsible for assigning the last 24 bits in the address. Because this address was permanently configured on a device, it is also known as a burned-in address, or BIA.

Exam with this question: CCNA 1 ITNv6 Chapter 5: Check Your Understanding

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