Certified Network Defender (CND) — Question 158

Which of the following IEEE standards defines a physical bus topology?

Answer options

• A. 802.4
• B. 802.5
• C. 802.6
• D. 802.3

Correct answer: A

Explanation

The correct answer is A, 802.4, which defines the specifications for a token bus network using a bus topology. Options B (802.5) and C (802.6) pertain to token ring and metropolitan area networks respectively, while D (802.3) outlines Ethernet standards that do not focus on a bus topology.