What unified command does the local area network provide such functions as file printing, communication, and databases?

The local area network is uniformly directed by the network operating system to provide file printing, communication, database and other functions. LAN can realize file management, application software sharing, printer sharing and other functions. By maintaining LAN network security, data security can be effectively protected.

#The operating environment of this article: windows10 system, thinkpad t480 computer.

Detailed introduction:

The coverage of local area network is generally within a few kilometers. Its features such as convenient installation, cost saving, and convenient expansion make it widely used in various offices. . The LAN can realize functions such as file management, application software sharing, and printer sharing. During use, by maintaining the security of the LAN network, it can effectively protect data security and ensure the normal and stable operation of the LAN network.

Local area networks are generally owned by one department or unit. Network construction, maintenance and expansion are relatively easy, and the system has high flexibility. Its main characteristics are:

1. The geographical coverage is small and only connected within a relatively independent local area, such as a building or a concentrated building group.

2. Use specially laid transmission media for networking, with high data transmission rate (10Mb/s ~ 10Gb/s)

3. Short communication delay time and high reliability

4. LAN can support a variety of transmission media

There are many types of LAN. If classified according to the transmission medium used by the network, it can be divided into wired network and wireless network; if classified according to the network topology, it can be divided into They are bus type, star type, ring type, tree type, hybrid type, etc.; if classified according to the access control method used in the transmission medium, it can be divided into Ethernet, token ring network, FDDI network, wireless LAN, etc. Among them, Ethernet is the most commonly used LAN technology currently.

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