network topology
Topic 1-Chapter 6: Network TopologiesExplain the difference between logical and physical topologies. Describe the three different types of topologies.Answer: Topology is the basic geometric layout of the network, which shows the different way in which computers are interconnected with each other within the network. So there is a significant difference between logical and physical topology. A logical topology is a conceptual explanation of network activities whereas physical topologies show the physical installation of a network. So logical topology is much like a logical data flow diagram (DFD) and physical topology is like physical DFD.The topology shows the ways a network weaves connect different PC's within a network. It concerned about both the physical and logical way network nods are connected to each other. The physical topology describes how the cables are run through the network and the way in which nodes are physically connected to the network line. It is the network layout, which users can see and must actually plug together. On the other hand, logical topology describes how signals flow between different nods and how they interrelate with each other. So logically a network might be
(Fizgerald & Dennis, 2002)Cost assessment: this is the final stage for building block process of a network design in which designer analysis the cost benefits of various technology options available in the market along with their performance and reliability. Some times it takes long time or some time it takes a short time to reach a packet to their destination. Bridge backbone becoming obsolete due to some major performance problem. p-256) BRANCH OFFICE INTERNET VPN TUNNEL IINI HEAD OFFIC VPN TUNNELTELEPHONE LINETopic 4-Chapter 11: Building Block Process Explain the Building Block Process. p-257)There are three types of VPN are now commonly implement in practice. The most significant problem is as it broadcast the message everyone in the backbone so it use up more capacity for broadcasting and user get the slower response compare to the routed backbone. At the local level, a BN is a set of lines that local area networks connects to a wide area network connection or within a local area network to span distances efficiently such as between different building. The goal of this process is to keep the network design simple. Here all computers are directly connected to the central server. So it is less reliable than others, because all computers are dependent on central server computer. Briefly describe the differences/features of the Routed Backbone, Bridged Backbone and Collapsed Backbone. For example, a user might lease a T1 circuit from any common carrier that runs from the users office to the Internet service provider (ISP) office, at a given charge. The users are connected to a local ISP that supports the VPN services via POTs, ISDN or other circuits.
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Acceptance Essays
