The city of Mapleland, Oregon, which owns and operates its own power utility, bu

Question

The city of Mapleland, Oregon, which owns and operates its own power utility, built a fiber-optic network to monitor power meters at residents’ homes. The network is called Mapleland Fiber Network (MFN). Because MFN had more capacity than was needed to monitor meters, the city expanded its services to offer access to the network for city businesses. The businesses use the network to communicate with each other and to access the Internet. At the MFN headend, which is located with the city government offices, three routers and WAN links connect to the Internet for use by the city. The businesses on MFN also use these routers to reach the Internet.

In addition to the business service, MFN also offers cable modem service to homes. A cable modem router at the MFN headend connects to the fiber-optic network. In the city neighborhoods, hybrid fiber-coax nodes bring coax cabling to each street and into the homes for cable modem Internet access.

The MFN backbone consists of a fiber-optic Gigabit Ethernet network that runs through the city in a ring topology. The fiber-optic ring connects the hybrid fiber-coax nodes that bring coax cabling to each neighborhood. Also connected to the ring are six data routers. Each router links one or more Mapleland businesses to MFN via simple point-to-point connections. At the business, the fiber-optic network enters the building and connects to a media converter. A UTP cable connects to the media converter and typically to a 100-Mbps Ethernet switch. The switch links the business’s computers and servers in a star topology via UTP cabling.

1. Draw a network map that shows the topology of the MFN and how the main components are connected.

Explanation / Answer

For efficient network model Start with the ring backbone. Arrange all equipment locations on it. And then include any location that has active components like transmitters, receivers. Based on that backbone ring arrange Fiber paths, optical link which losses budgets, redundant routing. As per requirfement WiFi is an unlicensed band that crowded in some locations. So it depends on planning to adjust frequency channels. so finally it would depend upon how we set up. Based on rules and server safeguards to prevent pornography access in public libraries. And one more thing is that it is not a good idea to have a wireless hack snoop around your business customers traffic.

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