Please idk if i got this right ### 4.03-1. Network Address Translation (a)**Explanation:**Consider the following scenario in which host 10.0.0.1 is communicating with an external web server at IP address 128.119.40.186. The NAT table shows the table entry associated with this TCP flow. What are the source and destination IP address and port numbers at point A?[Note: You can find more examples of problems similar to this here.]#### NAT Translation Table| WAN side addr | LAN side addr ||---------------------|----------------|| 138.76.29.7, 5051 | 10.0.0.1, 2020 || ...... | ...... |#### Diagram Description- The diagram consists of two main parts, representing the internal (LAN) and external (WAN) networks, connected by a NAT device.- The internal network has hosts with IP addresses 10.0.0.1, 10.0.0.2, 10.0.0.3, and a NAT device connecting to the router.- The external network is represented with the public IP address 138.76.29.7 connected to the NAT router.- Several positions labeled A, B, C, and D mark various points in the communication process.#### Key Points in Diagram:1. **Point A** (near 10.0.0.1): - Source IP: 10.0.0.1 - Destination IP: 128.119.40.186 - Source Port: 2020 - Destination Port: 80 (commonly for web servers)2. **Point B** (before NAT translation): - Similar to Point A as it’s before NAT device.3. **Point C** (after NAT translation): - Source IP: 138.76.29.7 - Destination IP: 128.119.40.186 - Source Port: 5051 - Destination Port: 80 (commonly for web servers)4. **Point D** (response from web server): - Source IP: 128.119.40.186 - Destination IP: 138.76.29.7 - Source Port: 80 - Destination Port: 50515. **Point D** (translated back

At point A the computer host with the IP 10.0.0.1 wants to communicate with web server…

4.03-1. Network Address Translation (a). Consider the following scenario in which host 10.0.0.1 is communicating with an external web server at IP address 128.119.40.186. The NAT table shows the table entry associated with this TCP flow. What are the source and destination IP address and port numbers at point A? [Note: You can find more examples of problems similar to this here.] S: D: B S: D NAT translation table WAN side addr 138.76.29.7, 5051 ****** 138.76.29.7 The source IP address is: The destination IP address is: The source port number is: The destination port number is: LAN side addr 10.0.0.1, 2020 10.0.0.4 S D: 10.0.0.1 128.119.40.186 2020 S: D: 5051 10.0.0.1 10.0.0.2 10.0.0.3

4.03-1. Network Address Translation (a). Consider the following scenario in which host 10.0.0.1 is communicating with an external web server at IP address 128.119.40.186. The NAT table shows the table entry associated with this TCP flow. What are the source and destination IP address and port numbers at point A? [Note: You can find more examples of problems similar to this here.] S: D: B S: D NAT translation table WAN side addr 138.76.29.7, 5051 ****** 138.76.29.7 The source IP address is: The destination IP address is: The source port number is: The destination port number is: LAN side addr 10.0.0.1, 2020 10.0.0.4 S D: 10.0.0.1 128.119.40.186 2020 S: D: 5051 10.0.0.1 10.0.0.2 10.0.0.3

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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