Networking

CSMA/CD: Carrier sense multiple access with collision detection (CSMA/CD) is one of the most popular access methods, with CSMA/CD, every host has equal access to the wire and can place data on the wire when the wire is free from traffic. If a host wishes to place data on the wire, it will “sense” the […]

Organizations of different sizes, structures, and budgets need different types of networks. A local newspaper company has needs for its network that would be different from the needs of a multinational company. Networks can be divided into one of two categories: peer-to-peer or server-based networks. PEER-TO-PEER NETWORK: A peer-to-peer network has no dedicated servers; instead,

It is typical for networks to implement a mixture of topologies to form a hybrid topology. For example, a very popular hybrid topology is a star-bus topology, in which a number of star topologies are connected by a central bus. This is a popular topology because the bus will connect hubs that are spread over

A network topology is the physical layout of computers, cables, and other components on a network. There are a number of different network topologies, and a network may be built using multiple topologies. The different types of network layouts are Bus topology Star topology Mesh topology Ring topology Hybrid topology Wireless topology 1) BUS TOPOLOGY

In a ring topology, all computers are connected via a cable that loops in a ring or circle. As shown in Figure 1, a ring topology is a circle that has no start and no end. Because there are no ends, terminators are not necessary in a ring topology. Signals travel in one direction on

A mesh topology is not very common in computer networking today. In a mesh topology, every workstation has a connection to every other component of the network, as illustrated in Figure. Figure: Mesh Topology ADVANTAGES OF MESH TOPOLOGY: The biggest advantage of a mesh topology is fault tolerance, meaning that, if there is a break

In a star topology, all computers are connected through one central device known as a hub or a switch, as illustrated in Figure 1. Each workstation has a cable that goes from the network card to the hub device. One of the major benefits of a star topology is that a break in the cable

A bus topology uses one cable as a main trunk to connect all of the systems together (shown in Figure.1). A bus topology is very easy to set up and requires no additional hardware such as a hub. The cable is also called a trunk, a backbone, or a segment. With a bus topology, when