Question 1: Wireless Networks Performance (Total: 20 Marks) a) A WLAN network administrator wants to efficiently enforce QoS in his network (such as reserve some channel for voice traffic, etc). Using WLAN information gathering tool 'Kismet' the network administrator captured the information regarding one of his AP as shown in Figure 1. Analyse the information presented in Figure 1 and explain how this information can be used to enforce Qos? Channels View -20 (7 Marks) Signal Noise -110 24 1-2-3-4-5 6 7 8 9 1 0 1 LL 1 13 12 +4 Packet Rate 1 2 3 4 5 6 7 8 9 10 1 8 1 12 2 11 222 33 44 55 66 77 8 99 1 8 == 11 11 12 Chan Packets P/S Data Dt/s Netw ActN Time 1 2 157 2 6648 BB 2 0.25 4 B OB 2 0 0.25 Figure 1: Packet rate details of the AP 13 1 4 11 1 33 4 Network Active