An Ethernet address is composed of how many bits?

A.
48-bit address
B.
32-bit address.
C.
64-bit address
D.
128-bit address
Explanation:
Ethernet is a common LAN media access technology standardized by IEEE 802.3. Ethernet uses 48-bit MAC
addressing, works in contention-based networks, and has extended outside of just LAN environments.
Incorrect Answers:
B: An Ethernet address has 48 bits, not 32 bits.
C: An Ethernet address has 48 bits, not 64 bits.
D: An Ethernet address has 48 bits, not 128 bits.Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, New York, 2013, p. 578