1. Which of the following statements is wrong?

A. firms get bigger when external transaction cost is higher than internal transaction cost

B. agency cost will increase if the size of the firm increase

C. telecommunications and information systems cannot cut transaction cost and agency cost simultaneously

D. telecommunications and information systems have impact on the relationship between organizational size and transaction cost as well as the relationship between organizational size and agency cost

2. In HFC system, fiber is used:

A. from the source to individuals

B. from the central office (CO) to the house

C. from the source to a group of houses

D. from the source to the receiver

3. Which of the following has not been included in the government's spectrum management scheme?

A. spectrum assignment on the basis of operators revenue

B. spectrum assignment on the basis of auction

C. spectrum assignment on the basis of beauty contest

D. spectrum assignment on the basis of lucky draw

4. The Web2.0 has following features except

A. sophisticated content management system

B. user-centric, individuals produce and distribute information, deep participation but not passive use;

C. each individual acts as a center and builds up a community

D. peer to peer interaction

5. Protocols in general data communications are:

A. binary codes

B. analog encoding

C. rules for communications

D. ASCII