单选题Which of the following is the proper order for powering off and on network components?（）AComputer cable modem routerBCable modem router computerCCable modem computer routerDRouter cable modem computer
单选题
Which of the following is the proper order for powering off and on network components?（）
A
Computer> cable modem > router
B
Cable modem> router> computer
C
Cable modem> computer> router
D
Router> cable modem> computer
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