单项选择题
Which of the following is equipment provided by the telephone company that provides remotediagnostic and loopback services for subscriber lines?（）
A. 66 block
B. Demarc
C. Smart jack
D. 110 block
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相关考题
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单项选择题
Which of the following routing protocols runs over UDP and determines path based upon distancevectors?（）
A.RIP
B.DSI
C.BGP
D.IS-IS -
单项选择题
Which of the following is a disadvantage of using the EIGRP protocol?（）
A. It does not scale well
B. It converges slower than OSPF
C. It is a proprietary protocol
D. It is a distance vector protocol
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单项选择题
Which of the following documents should always be kept up-to-date after any major changes aremade to a network backbone?（）
A. Network diagram
B. Performance baseline
C. Network security procedure
D. Company policy
