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  3. 第16章 Web应用系统分析与设计
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第16章 Web应用系统分析与设计

【5-7】

阅读以下关于 web 系统设计的叙述,在答题纸上回答问题1至问题3。

【说明】某公司拟开发一个食品供应链溯源系统,该系统需要提供从原材料供应商、加工商、物流、分销商、零售商、消费者的食品供应链全流程溯源。该公司组建了项目组,并召开了项目开发讨论会。会上,张工提出通过二维码扫描获取食品信息,采用中心化数据库作为数据存储媒介;李工提出使用中心化数据库容易产生数据信任、溯源追责困难等问题,建议建立区块链和数据库的映射存储,提供存储和查询操作功能,并提出采用数据接入层、数据核心层、应用表示层三层体系架构实现该食品溯源系统。

真题详情及解析

【5-7】

阅读以下关于Web应用系统分析与设计的叙述,在答题纸上回答问题1至问题3。

某汽车配件销售厂商拟开发一套网上销售与交易系统,以扩大产品销量,提升交易效率。项目组经过讨论与分析,初步确定该系统具有首页、商品列表、商品促销、商品库存、商品价格、订单中心、订单结算、支付、用户管理、频道(用于区分不同类别的商品)、搜索、购物车等主要功能。

真题详情及解析

【5-6】

阅读以下关于Web应用的叙述,在答题纸上回答问题1至问题2。

某软件公司拟为其客户开发一套基于Web的电子商务系统,该系统向终端用户提供在线购物功能。近期,项目组召开会议对以下两项需求进行了重点讨论:

(1)系统终端用户的界面呈现应提供丰富的多媒体信息,包括文本、图片、动画、视频及语音消息。

(2)系统上线后需应对大量客户端并发请求处理,商家促销活动时,并发用户数可能会达到20万的规模;系统预期用户呈明显地地域集中分布特征。

真题详情及解析

【66-70】SOX is an alternative(66)for XML. It is useful for reading and creating XML content in a(67)editor. It is then easily transformed into proper XML. SOX was created because developers can spend a great deal of time with raw XML.For many of us, the popular XML(68)have not reached a point where their tree views, tables and forms can completely substitute for the underlying(69)language. This is not surprising when one considers that developers still use a text view, albeit enhanced, for editing other languages such as Java. SOX uses(70)to represent the structure of an XML document, which eliminates the need for closing tags and a number of quoting devices. The result is surprisingly clear.

真题详情及解析

【66-70】Microsoft’s COM is a software (66) that allows applications to be built from binary software components. COM is the underlying architecture that forms the foundation for higher-level software services, like those provided by OLE. COM defines a binary standard for function calling between components, a way for components to dynamically discover the interfaces implemented by other components, and a mechanism to identify components and their interfaces uniquely.
OLE is a compound (67) standard developed by Microsoft. OLE makes it possible to create (68) with one application and link or embed them in a second application. Embedded objects retain their original format and (69) to the application that created them. Support for OLE is built into the Windows and MacOS Operating Systems. A (70) compound document standard developed mainly by Apple and IBM is called OpenDoc.

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

【34】Java EE是Java领域内企业级应用开发的框架与标准。下面关于采用Java EE架构的描述,不正确的是 (34)

真题详情及解析

【13】信息标准化是解决“信息孤岛”的重要途径,也是不同的管理信息系统之间数据交换和互操作的基础。作为信息化标准的一项关键技术,目前流行的(13)以开放的自我描述方式定义了数据结构,在描述数据内容的同时能突出对结构的描述,从而体现出数据之间的关系。这样组织的数据对于应用程序和用户都是友好的、可操作的。

真题详情及解析

【66】Cookie为客户端持久保持数据提供了方便,但也存在一定的弊端。下列选项中,不属于Cookie弊端的是(66)

真题详情及解析

【65-66】在Linux操作系统中通常使用(65)作为Web服务器,其默认的Web站点的目录为(66)

真题详情及解析
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