What is the purpose of the Distributed Coordination Function in an IEEE 802.11 WLAN environment?
- It allows a client to detect whether or not a channel is clear prior to transmission.
- It is used in a full-duplex environment to detect collisions.
- It is used to send data over a half-duplex connection.
- It allows the client to change transmission channels.
Exam with this question: CCNA 3 (v5.0.3 + v6.0) Chapter 4 Exam Answers