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單項選擇題

Which of the following is resistant to crosstalk?（）

A.1000Base-T
B.10GBase-CX
C.100Base-FX
D.STP

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單項選擇題

Which of the following network protocols is used to ensure consistent time across network devices on the domain?（）

A.NTP
B.FTP
C.RTP
D.IGMP

單項選擇題

Which of the following security mitigation techniques is the MOST effective against zero-day attacks?（）

A.Update antivirus definitions
B.MAC filtering
C.Effective security policies
D.User awareness training

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