题目内容
位同步和帧同步都是数字通信所特有的同步方式，模拟通信没有。
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This network typically consists of two or more local area networks, covering a large geographical area.
This type of network does not have a dedicated server; all the computers are independent.
On this topology, all devices are connected to the same circuit, forming a continuous loop.
The language used by computers to communicate with each other on the Internet is called.
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