多項(xiàng)選擇題

Which of the following are actual varieties of network crosstalk?（）

A. near-end crosstalk(NEXT)
B. middle open-end crosstalk(MOEXT)
C. power sum near-end crosstalk(PSNEXT)
D. jitterry crosstalk(JEXT)
E. far end crosstalk(FEXT)

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單項(xiàng)選擇題

Assuming you build networks to exact specifications, what is the recommended maximum length a 10BaseT cable can be before it has to be segmented or repeated?（）

A.100 meters
B.100 feet
C.100 yards
D.200 meters

單項(xiàng)選擇題

What is the maximum data rate specified by the IEEE 802.11B standard for wireless LANS?（）

A. 10 Mbps
B. 11 Mbps
C. 54 Mbps
D. 100 Mbps
E. none of the above