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2026中级数据库系统工程师培训报名 2026高级系统分析师培训报名
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2013年05月系统分析师考试上午真题【基础知识】

【69】关于网桥和交换机，下面的描述中正确的是（69）。

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【70】下列关于DHCP的说法中，错误的是（70）。

真题详情及解析

【71-75】Feasibility should be measured throughout the life cycle of system development. The scope and complexity of an apparently feasible project can change after the initial problems and opportunities are fully analyzed or after the system has been designe
Thus, a project that is feasible at one point may become infeasible later. The first feasibility analysis is conducted during the （71） . The （72） represents a major feasibility analysis activity since it charts one of many possible implementations as the target for systems design. （73） is a measure of how well the solution will work in the organization. It is also a measure of how people feel about the system. When it is determined in the later stages of the system life cycle, （74） is often performed with a working prototype of the proposed system. This is a test of the system’s user interfaces and is measured in how easy they are to learn and to use and how they support the desired productivity levels of the users. Economic feasibility has been defined as a cost-benefit analysis. The （75） technique is a simple and popular method for determining if and when an investment will pay for itself.

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