Computer networks link computers and other devices together to exchange information, resources and services. They can be wired or wireless and configured to work in a variety of network topologies. Networks are vital to business today. They allow us to communicate with colleagues, collaborate and work more effectively. They also assist with access to data and security.
Computer networking is a broad subject which covers the design as well as the architecture, creation, and maintenance of communication networks. It is a combination of computer science and electrical engineering.
The most famous computer network is the Internet which allows billions of people to connect and access the same resources at www.boardroomco.net/why-is-firefox-so-slow-and-how-to-deal-with-it the same time. The network utilizes a packet-switching model to direct data traffic through an infinite number of possible pathways and connections. Each packet contains both control information as well as data from the user. The control information contains source and destination network addresses, error detection codes and sequencing information. The data portion of a package contains the payload.
In a typical business network, there is central server that stores data and manages access to critical resources like printers, files and photocopiers. The server is protected by firewalls and multifactor authentication systems to ensure that only authorized users of the network have access to it. All the data is centralized on servers helps administrators to perform regular backups of data and to enforce strict security measures for the network. It also lets employees access corporate services and apps regardless of where they reside — such as video-calling and document-sharing software.
