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Here’s a real-life example: In a typical office, every workstation has its own computer. Without a network of computers, it would be very difficult for a team to work on a project since there would be pelo common place to share or store digital documents and information, and team members would not be able to share certain applications.
More Storage Space: Suppose if we don't have a cloud storage then we have to store data in physical files that will consume a physical space so computer network provide a storage for storing data.
A protocol is a set of rules or algorithms which define the way how two entities can communicate across the network and there exists a different protocol defined at each layer of the OSI model. A few such protocols are TCP, IP, UDP, ARP, DHCP, FTP, and so on.
Port: A port can be referred to as a logical channel through which data can be sent/received to an application. Any host may have multiple applications running, and each of these applications is identified using the port number on which they are running.
IP Address: An IP address is a unique numerical identifier that is assigned to every device on a network. IP addresses are used to identify devices and enable communication between them.
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The Network Topology is the layout arrangement of the different devices in a network. Some types of network topologies are:
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Network addresses In addition, it is necessary to ensure that the transmitter and receiver can be correctly identified. Network addresses are used for this purpose. In computer networks, each computer typically has an IP address, similar to a telephone number, that uniquely identifies the computer.
Flexibility. Today's computer networks enable people to use flexible communication and resource-sharing methods based on their needs and preferences. For example, some people might use email or instant messaging to communicate, while others might prefer using an app such as WhatsApp.
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Ring network. Network devices are connected to two other devices on either side through a coaxial cable or an RJ-45 cable.
Partial 男同网 mesh network. Only some nodes connect directly to one another, while others are only connected to one or two other nodes in the network.