Electronic commerce focuses on the use of ICT to enable the external activities and relationships of the business with individuals, groups and other businesses.
查看答案
Electronic commerce involves internet shop, supply chain management, online marketing and offline marketing.
A. 对
B. 错
E-business involves the application of knowledge management systems.
A. 对
B. 错
E-commerce is easy to be confused with e-business.
A. 对
B. 错
下列关于NAT协议的描述，正确的是？
A. 接入同一个无线路由器的多个无线终端，它们之间想要互相通信，必须依赖NAT协议
B. NAT协议一般部署在交换机上，方便实现地址转换
C. NAT协议可以很好地隐藏企业内部主机的真实IP地址
D. NAT协议最重要的功能是将IPv4地址转换成IPv6地址，用以解决IP地址不足的问题
微信支付 
支付宝支付