单项选择题

Which of the following would be used to lock all of the primary communication equipment of abuilding, including its demarcation point?（）

A.MTR
B.MDF
C.Smart jack
D.IDF

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单项选择题

A technician at a company providing online, real-time media streaming to the Internet needs a network technology that will reduce bandwidth while delivering high throughput.
Which of the following can the technician implement to fit these requirements?（）

A.Subnetting
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D.Multicast

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A. DNS primary server
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Two autonomous networks who wish to exchange routing data should use which of the following protocols?（）

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B.BGP
C.EIGRP
D.IS-IS