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Computer networks connect computers and other devices together to share resources, information, and services. They can be wireless or wired and configured to work in a variety of network topologies. Networks are crucial for business today. They allow us to communicate effectively, collaborate and collaborate efficiently. They also aid in access to data and security.

Computer networking is a broad subject that encompasses the concept of architecture, design, and maintenance of communication networks. It is a mixture of electrical and computer science. engineering.

The most well-known computer network is the Internet that allows billions of people to connect to and use the same resources at the same time. The network utilizes a packet switching model to route data traffic through an almost limitless number of connections and pathways. Each packet contains control information as well user information. The control information contains sources and destinations network addresses, error detection codes and sequencing information. The data part of a packet is the payload.

In a typical network for business, there is a central server that stores data and manages access to crucial resources such as photocopiers, printers, files and printers. The server is secured by firewalls and multifactor authentication systems to find this ensure that only authorized users have access to it. Keeping all the information centralized on servers helps administrators to conduct regular data backups and implement strict security policies for networks. Additionally, it permits employees to access corporate apps and services regardless of locations, such as video-calling and document sharing software.