The most commonly used e-business models include: __________(电子采购), E-malls, __________(电子拍卖), __________ __________(虚拟社区), Value-chain Integrators(价值链集成商).
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__________(黑客) are one of the great threats to the security of e-businesses.
A business model is defined as the organization of product, service and information flows, and the source of revenues and benefits for suppliers and customers.
A. 对
B. 错
Traditional business system has more security risks than e-business system.
A. 对
B. 错
The number of people entering e-business through the Internet is far more than that entering traditional business.
A. 对
B. 错