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單項(xiàng)選擇題

Which of the following tools would a technician use to check functionality of a physical networkconnection?（）

A. Butt set
B. Cable tester
C. Protocol analyzer
D. Voltage event recorder

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單項(xiàng)選擇題

Which of the following is an invalid subnet mask?（）

A.255.0.0.0
B.255.256.255.0
C.255.255.255.255
D.255.255.00

單項(xiàng)選擇題

Which of the following protocols is the LEAST secure and should be avoided on a wireless network?（）

A.WEP
B.PEAP
C.WPA
D.TKIP