原型化(Prototyping)方法是一类动态定义需求的方法，(7)不是原型化方法所具有的特征。与结构化方法相比，原型化方法更需要(8)。衡量原型开发人员能力的重要标准是(9)。

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The Simple Network Management Protocol (SNMP)is an(71)protocol that facilitates the exchange of management information between(72). It is part of the Transmission Control Protocol/Internet Protocol (TCP/IP) protocol suite. SNMP enables network(73)to manage network performance, find and sole network problems, and plan for(74). An SNMP-man-aged network consists of three key components: managed devices,(75), and network-management systems.

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