问题 问答题

简述电子商务系统日常维护工作。

答案

参考答案:

解析:①系统权限管理,针对不同的应用系统、客户、操作者设置数据库信息的访问权限,应用系统功能的选择权限。系统应提供对各种应用、各类客户、不同操作者的集中式的权限管理。 ②系统信息备份,提供保障信息存储安全的规范。备份的信息要和系统分开存放,必要时要做硬复制。 ③系统服务维护,提供对各种业务流程的处理和管理方法的维护手段。维护的内容包括服务规则、服务参数设置和服务处理模式。服务维护应提供专门的界面,避免直接通过源程序或数据库进行操作。 ④系统数据库维护,通过数据库系统提供的维护工具进行。管理人员要观察数据库系统运行的状况,及时对客户、数据库、数据空间进行调整。系统应能够在发生故障时恢复。 ⑤系统服务器维护,通过服务器硬件厂商提供的维护工具进行。包括对服务器系统内部硬件资源的状态检测,对外部设备的检测、硬件障碍的恢复等。 ⑥操作系统管理,通过操作系统厂商提供的维护工具进行的。包括对系统运行的状态检测,内部和外部设备的运行状态进行监视,对资源配置进行调整。 ⑦系统网络管理,通过网管工作站的网管软件进行。运用设置在工作站上的软件可以对系统上的智能设备如站点、主机、网络设备进行集中检测、维护和控制。 ⑧应用软件维护,应用软件开发完成应当按照国家软件工程相关技术标准提交文档资料。对应用软件因功能要求变化或软件出错的维护应当制订详细的可溯性文档,如问题分析、处理方法、处理结果等。

阅读理解

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小题1:This advertisement aims at calling on people to ________.

A.attend full-time universities

B.work part time to further their education

C.improve their education at home to get better jobs

D.earn their degrees in different ways that suit them小题2:Which of the following is NOT clearly mentioned in this advertisement? 

A.The way how you will get your degree.

B.Tuition price.

C.The hot fields you will be preparing yourself for.

D.The length of time it will take you to get a degree.小题3:What does the writer of this ad intend to say by naming General Electric, IBM, Ford, etc.?

A.To show that their training is widely used in the country.

B.To show that the training program is fully supported by famous companies in the U. S.

C.To prove the value of their training in every area. 

D.To show the importance of getting recognized by the most famous companies.小题4:It seems to the writer that the greatest attraction for people to take their training is______. 

A.its convenience

B.the degree’s nation-wide recognition

C.the economic benefit(利益) it will bring about

D.the hot fields the training will help people to enter小题5:How many ways are mentioned in the ad for people to get in touch with the Harcourt Learning Direct?

A.One.    

B.Two.   

C.Three.  

D.Four.

单项选择题