The computer network consists of three parts, namely: 1. A number of hosts, which can be various types of computers, used to provide services to users; 2. A communication subnet, which consists of some communication circuits and It is composed of node switches and is used for data communication; 3. A set of communication protocols, which is an indispensable part of the computer network.
A computer network consists of a set of hosts, a communication subnet and a set of communication protocol parts.
1. Several hosts (hosts), which can be various types of computers, used to provide services to users;
2. A communication subnet, which consists of some communication circuits and structures It consists of point switches and is used for data communication;
3. A set of communication protocols. These protocols are used for communication between hosts, hosts and communication subnets, or nodes in the communication subnet. A protocol is a rule that both parties in communication agree on in advance and must abide by. It is an indispensable part of the computer network.
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