单项选择题

Which of the following cables is the MOST susceptible to interference?（）

A.Fiber
B.Coax
C.UTP
D.STP

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单项选择题

An administrator is concerned about users utilizing the company's wireless signal with their
personal laptops.
Which of the following is the BEST method to use to prevent unauthorized devices from using the company's wireless network?（）

A. Secure VPN
B. MAC filtering
C. IP filtering
D. Static IP addresses

单项选择题

Which of the following network cable types requires grounding?（）

A.STP
B.UTP
C.Fiber
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A.Layer 3
B.Layer 5
C.Layer 6
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