题目内容

论电子商务网络的安全
随着Internet技术的发展,电子商务正以其高效和低成本的优势,逐步成为一类新的企业经营模式。实现电子商务的关键是要确保商务活动过程中系统有足够的安全性,防止由于非法入侵和机密信息泄露所造成的损失。
请围绕“论电子商务网络的安全”论题,依次对以下3个问题进行论述。
1.概要叙述你参与分析和开发的电子商务网络系统及你所担任的主要工作。
2.简要讨论在一个具体的电子商务网络系统中需要考虑哪些安全要素?
3.结合你的切身实践,详细论述你采用的电子商务网络系统安全问题的解决方案,并分析和评价你的解决方案。

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Part A
You are required to write an Address (致辞) with about 100 words to a foreign expert at the farewell meeting. The following should be included in your writing.
1. Name: Steven Black
2. Time: for three years
3. Job: help to build the Olympic Village
4. Reason: go back to America for another great job

The interlocutor asks you questions on a number of work-related and non work-related subjects.
(The candidate chooses one topic and speaks about it for one minute.)
A Customer Relations: how to maintain customer interest in a company's products
B Transport Management: the importance to a business of an efficient public transport system
C Market Research: the importance of doing market reach before launching a new product.

把文本文件xdat复制到文本文件xdat中,要求仅复制xdat中的非空格字符。

下列程序完成从文件读取文件显示的同时写入第二个文件,则在程序中划线部分应该出现的语句是______。
include<iostream.h>
include(fstream.h)
void main()
{
fstream filel,file2;
charfnl[10],fn2[10],ch;
cout<<“输入源文件名”;
cin>>fnl;
cout<<“输入目标文件名”;
cin>>fn2;
filel.open(fnl,ios::i

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