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單項(xiàng)選擇題

Which of the following services can an administrator use to reduce latency and prioritize the flowof data?（）

A. Fault tolerance
B. RADIUS
C. Qos
D. Load balancing

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單項(xiàng)選擇題

Which of the following technologies was designed to provide the FASTEST data rates over analog phone lines?（）

A.RADSL
B.SONET
C.ADSL
D.MPLS

單項(xiàng)選擇題

Which of the following protocols defaults to port 161?（）

A.SFTP
B.SNMP
C.SMTP
D.SNTP