What does the eighth bit of the first byte indicate in the OUI of a MAC address A. The total length of a data frame B. The protocol type C. The address type D. The MAC address
Question
What does the eighth bit of the first byte indicate in the OUI of a MAC address A. The total length of a data frame B. The protocol type C. The address type D. The MAC address
Solution
The eighth bit of the first byte in the OUI of a MAC address indicates the address type (Option C).
Here's a step-by-step explanation:
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A MAC address is a unique identifier assigned to network interfaces for communications on the physical network segment. It's a 48-bit number (6 bytes) usually represented as six pairs of hexadecimal numbers.
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The first three bytes of the MAC address are known as the Organizationally Unique Identifier (OUI), which identifies the manufacturer or vendor of the network interface.
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The first byte of the OUI contains two special bits:
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