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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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2012年05月系统分析师考试上午真题【基础知识】

【69】IEEE 802.16工作组提出的无线接入系统空中接口标准是（69），它比Wi-Fi的覆盖范围更大，数据速率更高。

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【70】建筑物综合布线系统中的园区子系统是指（70）。

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【71-75】The traditional model for systems development was that an IT department used （71）which is a process-centered technique, and consulted users only when their input or approval was neede
Compared with traditional methods, many companies find that JAD allows key users to participate effectively in the （72）.When properly used, JAD can result in a more accurate statement of system requirements, a better understanding of common goals, and a stronger commitment to the success of the new system. RAD is a team-based technique that speeds up information systems development and produces a functioning information system. While the end product of JAD is a（an） （73）,the end product of RAD is the （74）.The RAD model consists of four phases. During the （75）,users interact with systems analysts and develop models and prototypes that represent all system processes, outputs, and inputs.

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