软考初级2022专项练习每日一练(08月23日)

1. [单选题]在Windows的"资源管理器"窗口中,其左部窗口中显示的是()

A. 当前打开的文件夹的内容
B. 系统的文件夹树
C. 当前打开的文件夹名称及其内容
D. 当前打开的文件夹名称

2. [单选题]functions with two layers of protocols. It can connect networks of different speeds and can be adapted to an environment as it expands.

A. The hub
B. The bridge
C. The router
D. The proxy

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