EBiz.com currently has 250 networked computers and five servers, and uses a star
ID: 3839156 • Letter: E
Question
EBiz.com currently has 250 networked computers and five servers, and uses a star topology wired network to reach employees’ offices, with a bus interconnecting three floors in its office building. Because of a staggering influx of Internet business, the network administrator’s task is to boost network performance and availability as much as possible.The company also wants a network design that is easy to reconfigure and change, because workgroups continually form and disband, and their membership changes on a regular basis.All computers must share sensitive data and control access to customer files and databases. Aside from the customer information and billing databases, which run on all servers,workers’ desktop computers must run standard word-processing and spreadsheet programs.
Use the worksheet that follows to evaluate the requirements for this network. Once you complete the worksheet, determine the best network topology, or topology combination, for the company. On a blank piece of paper, sketch the network design you think best suits EBiz.com’s needs.Remember: high performance and easy reconfiguration are your primary design goals!
What type of topology shoyld be used in this network?
Will the network be peer to peer or server based?
How many computers will be attached to the network?
What kind of networking device is easiest to reconfigure? what kind offers the best access to the network medium's bandwidth between pairs of devices?
Explanation / Answer
Star topology should be used in this network. As, star network is that one malfunctioning node does not affect the rest of the network. However this type of network can be prone to bottleneck and failure problems at the central site. Network will be server based. In a server-based network, the server is the central location where users share and access network resources (see Figure 4). This dedicated computer controls the level of access that users have to shared resources. Shared data is in one location, making it easy to back up critical business information. Each computer that connects to the network is called a client computer. In a server-based network, users have one user account and password to log on to the server and to access shared resources. Server operating systems are designed to handle the load when multiple client computers access server-based resources. 250 networked computers will be attached to the network, according to the given question. A switch is the easiest networkdevice to reconfigure because they actually read the information that is transported through them. An extended star would offer the best access to the networks medium becausethere is a central switch that is connected to outer switches which smaller groups of computersare connected to.This network would be best suited for an extended star topology because you can useeach server to connect to a series of switches that would control smaller groups of computerswithin each area of the company. You can break down the number of computers that would bepowered by each server and then connect them all with a series of switches to monitor them froma central location.
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