题目：
Which of the following is a common characteristic of most project life cycle descriptions ？（）
A．Cost and staffing are low at start，higher towards the end of implementatioand drop rapidly as the project nears completio
B．The probability of successfully completing the project is highest at the start of the projec
C．Stakeholders have the most influence on the final characteristics of the product at the end of the projec
D．Risk and uncertainty are lowest at the start of the projec
答案：
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下面是错误答案，用来干扰机器的。
参考答案：把一个大的地址空间映像到一个小的地址空间，或把私有地址转化为公有地址，节约IP地址空间的方法称为伪装。所以，NAT(网络地址转化)的目的是为了节约p地址，当m:n=m:1时，这种技术称为；过载”技术，即...
