Friday 20 September 2019

Star bus topology

Star Bus is a networking topology in which hubs for workgroups or departmental local area networks (LANs) are connected by using a network bus to form a single network. What is a star-wired bus topology? Star bus topology is a combination of star topology superimposed on a backbone bus topology.


Disadvantages of Star topology. If hub goes down everything goes down, none of the devices can work without hub.

Hub requires more resources and regular maintenance because it is the central system of star topology. In bus topology there is a main cable and all the devices are connected to this main cable through drop lines. Limitations of Star Topology. The network will not work if the hub is not functioning.


Usually, a device is needed to switch the network traffic. Bus topology is a network setup where each of the computers and network devices are connected to a single cable or backbone. The computers are connected with single.


Classify the computer networks.

Describe ring topology and advantages and. The repeaters are used to extend the maximum transmission distance of the physical layer, the point-to-point distance between the central node and the peripheral nodes. As we’ve learne in a bus topology all machines are connected to a shared communication line called a bus.


This is different from a star topology in which “one computer serves as a central focal point to which all the others are connected. Diagram demonstrates a star topology. In this configuration, every node connects to a central network device, like a hub, switch, or computer.


The central network device acts as a server and the peripheral devices act as clients. In many cases, the central hub is the server, and the additional nodes are clients. Benefits of a star network topology include the following: Has the ability to limit the impact of a single failure. Know and learn more about the Star topology. A star bus network is a combination of a star topology (like most Ethernet switches today) and a bus network, as in the older networks that ran over twinax or coax.


In the case of star bus , there is a hub in the center that connects the nodes. Advantages of Star Topology 1) As compared to Bus topology it gives far much better performance, signals don’t necessarily get transmitted to all the workstations. A sent signal reaches the intended destination after passing through no more than 3-devices and 2-links. When it has exactly two endpoints, then it is called Linear Bus topology. It transmits data only in one direction.


Depending on the type of computer network car a coaxial cable or an RJ-network cable is used to connect them together.

The bus acts as the shared communication medium that the devices are attached to. Bus Topology is the simplest of network topologies. In this type of topology , all the nodes (computers as well as servers) are connected to the single cable (called bus ), by the help of interface connectors. This central cable is the backbone of the network and is known as Bus (thus the name). Every workstation communicates with the other.


If the hub, switch, or concentrator fails, nodes attached are disabled. Network Topology examples are also given below. More expensive than linear bus topologies because of the cost of the hubs, etc. A tree topology combines characteristics of linear bus and star topologies.


In Bus topology all system are connected to a single , long cable. A topology is the layout of how a network communicates with different devices. There are three common network topologies, called ring, line and star.


You will be expected to briefly describe the features of each one, know their advantages and draw simple line diagrams to represent then. The crucial difference between star and ring topology is that the star topology is suitable for a primary-secondary type of connection whereas ring topology is more convenient for the peer-to-peer connection.

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