Question 4: Consider the case where the the Web server is sending a reply to the Desktop

Assume the current switching table for the switch S2 is empty.

A. What is the content that will be added to the switching Table ? Fill the table below

S2 Switching Table
MAC address	Output interface

B. Via which interface will S2 send/forward the reply (i.e. the frame) ? list the interfaces in the alphabetic order, separated by a comma

IP: 1.1.1.1 MAC: AA-2F-2F-2F-2F-2F desktop DNS server IP: 3.3.3.3 MAC: CC-2F-2F-2F-2F-2F S1 i1 i3 IP: 4.4.4.4 i2 MAC: DD-2F-2F-2F-2F-2F DNS port: 1220 HTTP port: 1530 R2 DNS port: 53 R5 i2 i1 i11P: 51.51.51.51 i1 MAC: 5A-2F-2F-2F-2F-2F i2 IP:52.52.52.52 i2 MAC: 5B-2F-2F-2F-2F-2F i 1 i2 i1 i1IP: 11.11.11.11 i1 MAC: 1A-2F-2F-2F-2F-2F i2 IP:12.12.12.12 i2 MAC: 18-2F-2F-2F-2F-2F i2 R1 i1IP: 21.21.21.21 i1 MAC 2A-2F-2F-2F-2F-2F i2 IP:22.22.22.22 i2 MAC: 2B-2F-2F-2F-2F-2F R3 i1 X i1IP: 31.31.31.31 i1 MAC: 3A-2F-2F-2F-2F-2F 12 IP:32.32.32.32 i2 MAC: 3B-2F-2F-2F-2F-2F i2 R4 web server S2 Ci1 i 1 i11P: 41.41.41.41 i1 MAC: 4A-2F-2F-2F-2F-2F i2 IP:42.42.42.42 i2 MAC: 4B- i2 i2 IP: 2.2.2.2 MAC: BB-2F-2f-2F-2F-2F HTTP port: 80