Chap 7: Wireless LANs

Question 1

WLAN

Answer 1

wireless network interface built into a desktop/laptop, wireless access point (performs same functions as switch/hub), set of radio frequencies that are used to transport data.

Question 2

Distributed Coordination Function (DCF)

Answer 2

relies on the ability of computers to physically listen before they transmit.
Each fram is sent using stop and wait ARQ.

Question 3

Point Coordination Function (PCF)

Answer 3

Located at the Access Point to coordinate communication within the network.

Question 4

WPAN (bluetooth)

Answer 4

provides seamless networking of data and voice devices in a very small area. data rate of 1Mbps