Computers are connected through information technology networks to share files, data https://singleclicksystems.com/most-common-international-data-transfer-issues and other resources. They employ a set of rules known as communication protocols to transfer information via wireless and physical technologies. These networks are taught in degree programs that instruct in information technology.
A network topology is the method that a network is arranged to create a link between systems and devices in various ways, including bus or ring, mesh fully connected (or complete) or complete, stars, hierarchical and trees. These types of structures come with different advantages, disadvantages, and costs for the company that utilizes them. A topology can be logical, physical or private.
In a computer networking, the central component (such as a hub, switch or router) connects to other computers that send/receive messages. These computers are called nodes, and the central component is known as a server. This is a common network configuration, however it has some disadvantages. For example the possibility of a single wire breaking can stop communication.
A network server is a computer that is used to store files and software that are shared by a number of users on the network. Servers generally operate on the model of client-server, where the clients are users of desktop applications, and the servers handle data in real-time. As businesses require more accessibility of their data that is critical IT personnel may be asked to architect a high-availability system that can process data in a redundant fashion and is resilient enough that it continues to function even if one component fails.