题目内容

A(n) ________ is a company that provides Internet connections for a fee.

A. ISP
B. IXP
C. NAP
D. NSP

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135.62.128.91 is an example of an ________ address.

A. IPv2
B. IPv4
C. IPv6
D. IPv8

________ was developed to address the Internet of Things.

A. IPv2
B. IPv4
C. IPv6
D. IPv8

Information-based industries are most susceptible to which one of Porter's five forces?

A. Bargaining power of suppliers.
B. Rivalry among existing firms.
C. Threat of substitute products.
D. Threat of entry of new competitors.
E. Bargaining power of customers.

There is a high threat of new competitors entering your market when entry is _________ and a low threat of new competitors entering when there are _________ barriers to entry.

A. easy; few
B. hard; many
C. hard; few
D. easy; many
E. complex; average

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