题目内容
A is a special computer on a network that provides & controls services (resources) for other computers on the network to use.
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have limited access to the resource found on the network.
Every network has a "shape" which is normally referred to its .
In a topology, each device has its own cable running to connect the device to a common hub or concentrator.
Writing:The printer in your office keeps breaking down. There are always paper jams (卡纸). Sometimes the printing is blurred and uneven. Write a problem report to the manufacturer about the problem and suggest a solution.
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