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?（）

Which of the following tools would an administrator BES...

单项选择题Which of the following tools would an administrator BEST use to trace a network cable?（）

The helpdesk is receiving calls about the corporate web...

单项选择题The helpdesk is receiving calls about the corporate web server being down. Which of the followingshould be taken NEXT after verifying that the server is unreachable?（）

Which of the following devices would MOST likely integr...

单项选择题Which of the following devices would MOST likely integrate a DHCP server?（）