Question: computer networks Question 3 (5 Marks) Consider the network shown below. 10 D4E1 A8 97 FO 20:FF-3A BC-01:45 AB:22:AA:BB:34:01 Switch Switch AA:10F3:50:01:06 18.89:34E70138 AB 20:FA:58:02:14

computer networks

Question 3 (5 Marks) Consider the network shown below. 10 D4E1 A8 97 FO 20:FF-3A BC-01:45 AB:22:AA:BB:34:01 Switch Switch AA:10F3:50:01:06 18.89:34E70138 AB 20:FA:58:02:14 Switch FTP Server The table below shows the IP addresses of PC A, PC B, and Server C where Server C runs FTP services. Machine IP Address PCA 172.16.0.5 PCB 172.16.1.7 Server C 172.16.2.254 A user on PC A initiates a conversation with Server C to download a file using FTP protocol. The request use a local port number 1026 to establish a TCP session to the FTP server on Server C. Find the source and destination MAC addresses, the source and destination IP addresses of the request at points (1) and (2). Specification Student Input Marks At point (1) Source MAC: [0.5) Destination MAC: [0.5] Source IP address: [0.5] Destination IP address: [0.5] At point (2) Source MAC: [0.5] Destination MAC: [0.5] Source IP address: [0.5] Destination IP address: [0.5] o What are the source and destination port numbers in the TCP segments send from PC A to the server C? Specification Student Input Marks Request from PC Source port: [0.5) A to server C Destination port: [0.5) Page 4

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