(The wired computer network has been widely used in the teaching field, and it has played a very important role in the teaching cause. In today's era, the computer network has been widely used in the campus, and has produced a new teaching method - digital teaching. In recent years, with the further improvement of wireless network protocol standards and the advancement of wireless product cost-effectiveness, wireless networks have gradually entered the campus and played an increasingly important role in the construction of campus networks.)
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