IT205 Network Topologies
IT205 Network Topologies
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This 0 page Study Guide was uploaded by tophomework Notetaker on Thursday November 12, 2015. The Study Guide belongs to a course at a university taught by a professor in Fall. Since its upload, it has received 16 views.
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Date Created: 11/12/15
Network Topologies 1 Network Topologies Your Name Axia College of University of Phoenix Network Topologies 2 BUS TOPOLOGY The bus sometimes known as the backbone topology arranges all computers printer and server in a straight line Each device connects and transmits through one main coaxial cable made from insulated copper wire Malaga 2005 Through this cable data is transmitted from the source device attached to the cable to a destination device which is also attached to the cable There are a couple of disadvantages in using the bus topology One disadvantage is that if the main cable malfunctions the entire network goes down which results in the difficult time consuming task of locating the source of the malfunction and repairing the problem A second disadvantage is congestion of data during transmission better known as bottlenecking In spite of the disadvantages of implementing a bus topology there are advantages to the bus configuration The fact of being relatively inexpensive and the simplicity of adding new devices are the main reasons that a bus topology is the most widely used topology configuration in the business environment RING TOPOLOGY The ring topology arranges all computers printers and server in a typical circle Each device connects to two other devices in the network either a computer printer or server A ring configuration allows direct data transmission from one service on the ring to its neighboring devices There are some disadvantages to implementing a ring topology which include the fact that this type of configuration is rather expensive and usually quite difficult to install Network Topologies 3 The advantage of using a ring topology is that if a device fails a network administrator or specialized network hardware can proceed to reroute all the data to other devices within the ring bypassing the failed device without interruption Malaga 2005 STAR TOPOLOGY The star topology arranges all computers printers and server in a star configuration Data transmission from one device to another is completed through the use of a specialized device known as a hub The purpose of the hub is to route data from a source device through the hub and on to the desired destination device The main disadvantage of the use of the star topology is that if the hub malfunctions the entire network is down While this may seem like a major disadvantage malfunctions do not pose much of a problem Finding the source of the malfunction is performed easier and more rapidly than when using the Bus or Ring configurations The hub can also bottleneck during transmission of data between devices There are advantages to using the star configuration which include the ease of the star topology installation and updating process because of all devices being directly connected to the hub In the star configuration the direct connection to the hub allows for easy reconfiguration of the hub when installing new devices therefore the results are no need for additional wiring Network Topologies 4 Reference Malaga R A 2005 Information systems technology New Jersey Pearson Education Inc
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