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Logical And Physical Network Design Diagrams

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IT IS important to have logical and physical network design diagrams. These diagrams help us in understanding of the entire network with its functionalities. Physical layout diagrams of the network shows connections between network devices and their physical location on the network. Workstations are represented by use of small computer icons, severs are shown with full tower cases. Switches and other network devices can be shown by use small rectangular boxes with their RJ-45 points. Sometimes switches are not displayed with their ports depending with their angle of view on the page. It is advisable to give more details as possible without overcrowding the diagrams. Logical aspects of the network are shown by the logical layout diagrams. Logical network may include assigned IP addresses to various hosts and devices, routing table might also be shown. When designing logical devices we are not interested with any physical cable or actual interface so we omit such kind of details. Physical and logical layouts are important because they help in security issues, management and for troubleshooting reasons. In case a problem arises such as link been down we use the physical layout and we are able to locate where problem is located. This helps a lot because it avoids waste of time. Logical and physical view of the network helps administrators and engineer to identify possible security issues. Hackers try to obtain access to highly sensitive data by first creating map of the network

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