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111.111.111.111 74-29-9C-E8-FF-55 A 111.111.111.112 CC-49-DE-DO-AB-7D R 222.222.222.220 1A-23-F9-CD-06-9B 111.111.111.110 E6-E9-00-17-BB-4B B 222.222.222.222 49-BD-D2-C7-56-2A 222.222.222.221 88-B2-2F-54-1A-OF

111.111.111.111 74-29-9C-E8-FF-55 A 111.111.111.112 CC-49-DE-DO-AB-7D R 222.222.222.220 1A-23-F9-CD-06-9B 111.111.111.110 E6-E9-00-17-BB-4B B 222.222.222.222 49-BD-D2-C7-56-2A 222.222.222.221 88-B2-2F-54-1A-OF

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In the following figure, assume computer A is sending a message to computer B. For the message from computer A to router R, what is the source and destination IP and the source and destination MAC? 

Source IP:

Destination IP:

Source IP:

Destination MAC:

### Network Topology Diagram This diagram depicts a basic network topology involving two local area networks (LANs) connected through a router. Each network contains two devices with associated IP addresses and MAC addresses. Here’s a detailed explanation: #### Devices and Connections **Network A:** - **Device 1 (A):** - **IP Address:** 111.111.111.111 - **MAC Address:** 74-29-9C-E8-FF-55 - **Device 2:** - **IP Address:** 111.111.111.112 - **MAC Address:** CC-49-DE-D0-AB-7D Both devices are connected to a router (R) through a local network node represented by a blue cloud. **Router (R):** - **Internal Interface:** - **IP Address:** 111.111.111.110 - **MAC Address:** E6-E9-00-17-B8-4B - **External Interface:** - **IP Address:** 222.222.222.220 - **MAC Address:** 1A-23-F9-CD-06-9B The router connects Network A to Network B through its internal and external interfaces. **Network B:** - **Device 3 (B):** - **IP Address:** 222.222.222.222 - **MAC Address:** 49-BD-D2-C7-56-2A - **Device 4:** - **IP Address:** 222.222.222.221 - **MAC Address:** 88-B2-2F-54-1A-0F Similar to Network A, both devices in Network B are connected to the router (R) through a local network node represented by a blue cloud. #### Key Concepts Highlighted 1. **IP Addresses:** Unique identifiers assigned to each device on a network, facilitating device recognition for data transmission. 2. **MAC Addresses:** Hardware identifiers used within a network to ensure packets are sent to the correct device. 3. **Router:** A device that forwards data packets between computer networks, performing the traffic directing functions on the Internet. 4. **Local Area Networks (LANs):** Networks that connect computers within a limited area, such as a residence, school, or office building. This diagram is useful for understanding
Transcribed Image Text:### Network Topology Diagram This diagram depicts a basic network topology involving two local area networks (LANs) connected through a router. Each network contains two devices with associated IP addresses and MAC addresses. Here’s a detailed explanation: #### Devices and Connections **Network A:** - **Device 1 (A):** - **IP Address:** 111.111.111.111 - **MAC Address:** 74-29-9C-E8-FF-55 - **Device 2:** - **IP Address:** 111.111.111.112 - **MAC Address:** CC-49-DE-D0-AB-7D Both devices are connected to a router (R) through a local network node represented by a blue cloud. **Router (R):** - **Internal Interface:** - **IP Address:** 111.111.111.110 - **MAC Address:** E6-E9-00-17-B8-4B - **External Interface:** - **IP Address:** 222.222.222.220 - **MAC Address:** 1A-23-F9-CD-06-9B The router connects Network A to Network B through its internal and external interfaces. **Network B:** - **Device 3 (B):** - **IP Address:** 222.222.222.222 - **MAC Address:** 49-BD-D2-C7-56-2A - **Device 4:** - **IP Address:** 222.222.222.221 - **MAC Address:** 88-B2-2F-54-1A-0F Similar to Network A, both devices in Network B are connected to the router (R) through a local network node represented by a blue cloud. #### Key Concepts Highlighted 1. **IP Addresses:** Unique identifiers assigned to each device on a network, facilitating device recognition for data transmission. 2. **MAC Addresses:** Hardware identifiers used within a network to ensure packets are sent to the correct device. 3. **Router:** A device that forwards data packets between computer networks, performing the traffic directing functions on the Internet. 4. **Local Area Networks (LANs):** Networks that connect computers within a limited area, such as a residence, school, or office building. This diagram is useful for understanding
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