All of the following may lead to a competitive advantage except（）
A. less expensive suppliers
B. better employees
C. fewer products
D. superior products
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A ______ is a digital network designed to coordinate the flow of communications among firms engaged in business together（）
A. private industrial network
B. exchange
C. e-distributor
D. industry consortia
Which of the following are true for Walmart’s network（）
A. monitor the sales of their goods
B. monitor the actual inventory level of their goods
C. It is one of the largest private industrial networks in the world
D. one of the largest private industrial networks in the world
Which of the following is not a unique feature of e-commerce technology（）
A. interactivity
B. social technology
C. information asymmetry
D. richness
E-commerce is available just about everywhere and anytime. This is known as（）
A. richness
B. information density
C. ubiquity
D. reach
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