Certified Network Defender (CND) — Question 109

CSMA/CD is specified in which of the following IEEE standards?

Answer options

• A. 802.3
• B. 802.2
• C. 802.1
• D. 802.15

Correct answer: A

Explanation

The correct answer is A, as CSMA/CD is defined in the IEEE 802.3 standard, which pertains to Ethernet networking. The other options, 802.2, 802.1, and 802.15, relate to different network functionalities and protocols, such as logical link control, bridging, and wireless personal area networks, respectively.