Which statement is true about MAC addresses?

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Last Updated on February 21, 2021 by InfraExam

Which statement is true about MAC addresses?

  • MAC addresses are implemented by software.
  • A NIC only needs a MAC address if connected to a WAN.
  • The first three bytes are used by the vendor assigned OUI.
  • The ISO is responsible for MAC addresses regulations.
    Answers Explanation & Hints:

    A MAC address is composed of 6 bytes. The first 3 bytes are used for vendor identification and the last 3 bytes must be assigned a unique value within the same OUI. MAC addresses are implemented in hardware. A NIC needs a MAC address to communicate over the LAN. The IEEE regulates the MAC addresses.

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