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單項(xiàng)選擇題

Session affinity is a feature of which of the following devices?（）

A. DNS server
B. DHCP server
C. Load balancer
D. IPS

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單項(xiàng)選擇題

A company plans to implement a wired network between several computers. The company wants this network to be able to have a transmission rate of 1Gbps. Which of the following cable types should be purchased?（）

A.Coaxial
B.CAT3
C.CAT5
D.CAT5e

單項(xiàng)選擇題

Which of the following protocols uses port 119, by default?（）

A.NNTP
B.NTP
C.TFTP
D.FTP