Features Of A Network Topology Essay

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2.1 Topology:
Actually here we are discussing about a network topology. A topology is the physical configuration of a network that determines how the network 's computers are connected. The way in which constituent parts are arranged. The physical topology of a network is the actual geometric layout of workstations. There are several common physical topologies based on the configuration. They are Star Topology, Ring Topology, Buss Topology, Mesh Topology, Hybrid Topology and Tree Topology.

2.2 Star Topology:
Star topology is one of the most common network setups. In this arrangement, every node connects to a central hub, switch or computer; the hub acting as a server and the peripheral devices as clients. A major disadvantage of this network topology is that if the central hub fails, all of the connected devices are disconnected. In a star network layout, each workstation is connected by its own cable directly to the server. Star networks are usually the layout of choice in schools and offices because they tend to be the most reliable of the topologies. The visual example shows how this setup gets its name as it is shaped very much like a star.

FIGURE 2.1: Star Topology
Advantages:

• Star networks are very reliable. If one connection fails, it does not affect other users
• Very few data collisions as each workstation has its own cable to the server
• Good security - no workstation can interact with another without going through the server first
• Easy to install
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