2004年11月系统分析师考试上午真题【基础知识】-软考吧-您身边的软考专家-www.ruankaoba.com

2004年11月系统分析师考试上午真题【基础知识】

内容：基础知识
时间：120分钟
总分：75分
题数：75题

【61】在CORBA体系结构中，（61）属于客户端接口。

真题详情及解析

【62-63】ISO 7498-2标准涉及到的5种安全服务是（62）。可信赖计算机系统评价准则（TCSEC）把计算机系统的安全性分为4大类7个等级，其中的C2级是指（63）。

真题详情及解析

【64-65】IEEE 802.11小组已经公布了多个正式的WLAN标准，其中（64）工作在2.4GHz的ISM频段。在WLAN体系结构中的作用是（65）。

真题详情及解析

【66-70】Activity Based Costing （ABC） is an （66） technique that allows an organizationto determine the actual （67）associated with each product and service produced by the organization without regard to the organizational structure. This chapter explainssome of the uses and benefits of Activity Based Costing. We use IDEFO （68）modelingin conjunction with ABC to enable more effective business （69）design decisions.In order to achieve the major goals of business process improvement，processsimplification and improvement，FAA managers need to fully understand the cost, time,and quality of activities performed by employees or machines throughout an entireorganization. ABC methods enable （70）to cost out measurements to businesssimplification and process improvement.

真题详情及解析

【71-75】One of the difficulties in building an SQL-like query language for the Web is theabsence of a database （71）for this huge，heterogeneous repository of information.However，if we are interested in HTML documents only，we can construct a virtual schemafrom the implicit structure of these files. Thus,at the highest level of （72） ,every such document is identified by its Uniform Resource Locator （URL），has a （73）and a text. Also，Web servers provide some additional information such as the type,length, and the last modification date of a document. So，for data mining purposes,we can consider the set of all HTML documents as a relation:
Document（url, title,text,type，length，modif）
Where all the （74） are characterstrings. In this framework,an individual document is identified with a （75） in thisrelation. Of course，if some optional information is missing from the HTML document,the associate fields will be left blank,but this is not uncommon in any database.

真题详情及解析