Regarding the characteristics of local area networks, which one is incorrect?

Regarding the characteristics of LAN, which one is incorrect?

Regarding the characteristics of LAN, the incorrect one is "focusing on the accuracy of shared locations and the security of transmission",

The correct ones are: 1. Small geographical coverage ; 2. High speed, low bit error rate; 3. Generally built by one unit.

Characteristics of local area network

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

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

3. The communication delay time is short and the reliability is high.

4. LAN can support a variety of transmission media.

There are many types of local area networks. 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 bus type, star type, ring type, and tree 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 and wireless LAN, etc. Among them, Ethernet is the most commonly used LAN technology currently.

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