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In multipoint networks , there are tree
In multipoint networks , there are tree
最全题库
2022-08-02
52
问题
In multipoint networks , there are tree persistence methods when a station finds a channel busy.in the 1-persistent method,after the station finds the line idle,it sends its frame immediately.this method has the (请作答此空) chance of collision because two or more stations may find the line ( ) and send their frames immediately. In the nonpersistent method , a station that has a frame to send ( ) the line . If the line is idle , it sends immediately If the line is not idle , it waits a ( ) amount of time and then senses the line again.The nonpersistent approach ( ) the chance of collision because it is unlikely that two or more stations will wait the same amount of time and retry to send simultaneously The p-persistent approach combines the advantages of the other two strategies . It reduces the chance of collision and improves efficiency.A.the lowestB.the highestC.possibleD.no
选项
A.the lowest
B.the highest
C.possible
D.no
答案
B
解析
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本试题收录于:
初级网络管理员题库软件水平考试初中高级分类
初级网络管理员
软件水平考试初中高级
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