单选题An administrator wants to prevent users from plugging in their personal laptops and accessing the Internet without a member of the IT staff configuring the machine first. Which of the following would MOST likely be installed?（）AMultilayer switchBCSUCProxy serverDIDS
单选题
An administrator wants to prevent users from plugging in their personal laptops and accessing the Internet without a member of the IT staff configuring the machine first. Which of the following would MOST likely be installed?（）
A
Multilayer switch
B
CSU
C
Proxy server
D
IDS
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