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Is 589 You Decide

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NETWORKING CONCEPTS AND APPLICATIONS: IS589

Week 2 Assignment

You Decide

John Doe

9/11/2011

Abstract: This paper is a suggested proposal on how to upgrade a computer network located at Leonard Cooper Charter School. Through interviewing the stakeholders of the organization, I will assess and determine the issues with their current network. Then, I will explain the problems and offer the best solution to their computer networking needs.

Computer Network Upgrade Proposal for Leonard Cooper Charter School

Current Issues

After carefully interviewing the Stake holders of the Leonard Cooper Charter School, several issues were observed. The first noticeable concern was the print server. Their management of print jobs on the print server are called into question because of the many collisions on the print server. They are presently using a half duplex system for their print jobs. A half-duplex system provides signal communication in both directions, however only one direction at a time. A good example of this technology might be two-way radios. The person listening must wait until the transmitter concludes the signal transmission before responding to the call otherwise a collision will occur and the entire message won't get received. In a half duplex Ethernet network, a collision is the result of two devices on the same Ethernet network attempting to transmit data simultaneously. In the event of a network "collision", both transmitted packets are discarded. Collisions are a normal occurrence on Ethernets. To remedy this problem, an Ethernet standard was put into place called, "Carrier Sense Multiple Access/ Collision Detect (CSMA/CD)" This allows network devices to "take turns" using the signal carrier line. When a device wants to transmit, it checks the signal level of the line to determine whether someone else is already using it.

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