The growth of switching has(135)a new generation of net

计算机考试试题及答案解析

单项选择题

The growth of switching has(135)a new generation of network management tools that help(136)cope with the challenges,(137)them to correlate device alarms in order to(138)pinpoint root causes, or to monitor service levels without depending on IP subnet schemes. These new tools have become essential to coping with the primary(139)effect of any treatment that significantly increases network flexibility: added complexity.

A．create
B．creates
C．created
D．creating

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