A、A. There are some saws in my toolbox. B、B. There are some pairs of pliers in my toolbox. C、C. There are some spanners in my toolbox. D、D. There are some tools in my toolbox.

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第8题

[单选题] Before any machinery is put in operation，you should（）.

A、ventilate all compartments，see that the machinery is clean and there are no obstructions B、just turn the key and start up C、take for granted that there are no fuel leaks D、assume there are no volatile fumes in the engine space

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第9题

[单选题] A college has a small campus where 25 faculty members are located. The faculty offices and student computers are currently on the same network. The faculty are concerned about students being able to capture packets going across the network and obtain sensitive material. What could a network administrator do to protect faculty network traffic from student connections?（）

A、Install anti-virus software on the student computers. B、Put the faculty computers in a separate VLAN. C、Power down the switches that connect to faculty computers when they are not in use. D、Remove the student computers from the network and put them on a peer-to-peer network. E、Create an access list that blocks the students from the Internet where the hacking tolls are located.

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