How long is a standard MAC address in bits?
A32 bits
B48 bits
C64 bits
D128 bits
Explanation
A standard MAC address is 48 bits long (6 bytes), typically written in hexadecimal format as six pairs of characters separated by colons or hyphens (e.g., 00:1A:2B:3C:4D:5E). The first half identifies the vendor (OUI), and the second half is the device serial.
Exam Relevance
- Topic: Computer Fundamentals, Networking & Cybersecurity
- Subtopic: Hardware, MS Office, Protocols, Operating Systems & AI

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