desktop DNS server MAC: AA-2F-2F-2F-2F-2F IP: 3.3.3.3 MAC: CC-2F-2F-2F-2F-2F S1 3 i2 IP: 4.4.4.4 MAC: DD-2F-2F-2F-2F-2F DNS port: 53 R5 12 DNS port: 1220 HTTP port: 1530 R2 i1 1IP: 51.51.5151 il MAC: 5a2F2F2F2F2F i1 il MAC: 1A-2F2F2F2F2F 2 IP:12.12.12.12 i2 MAC: 18-2F-2F-2F-2F-2F i2 IP:52.52.52.52 i2 MAC: 5B-2F-2F-2F-2F-2F R1 1IP: 21.21.21.21 il MAC 2a2F2F2F2F2F i2 IP 22.22.22.22 i2 MAC: 28-2F-2F-2F-2F-2F 1IP: 31.31.3131 il MAC: 3a2F2F2F2F2F i2 IP:32.32.32.32 i2 MAC: 3B-2F-2F-2F-2F-2F R3 i1 i2 R4 S2 1IP: 41.41.4141 il MAC: 4A-2F2F-2F2F-2F 2 IP:42.42.42.42 web server i1 i2 IP: 2.2.2.2 MAC: BB-2F-2F-2F-2F-2F HTTP port:80 Q2. Switch functionality Following the steps in Q1 (i.e. the previous question), (1) where will the switch S1 send the frame in each step? list the interfaces via which the frame will be sent, separated by a comma. . (2) which devices will receive the message? List all the devices in the figure that ill receive/hear the message, except S1 and the message source, separated by a comma. a1. Frame sent via interface: List of devices receiving/hearing the message a2. Frame sent via interface: List of devices receiving/hearing the message b1. Frame sent via interface: List of devices receiving/hearing the message: b2. Frame sent via interface: List of devices receiving/hearing the message C. Frame sent via interface: List of devices receiving/hearing the message