What information can we learn from the passage？

A.is needed

B.needed

C.needs

A.Servers

B.Routers and switches

C.Databases

D.Firewall types

What information about the woman can we get from what the man has said？

A．She has had problems of authority.

B．She became an assistant manager recently.

C．She became a manager recently.

D．She became an assistant manager a few years ago.

What does Holton imply about information overload？

A.It can be decreased by the sense of purpose.

B.It happens when one has no access to right sources.

C.It can be increased by constant engagement in the news.

D.It depends on the efforts one makes to find the news.

A.concurrent control

B.definitional control

C.feedforward control

D.feedback control

E.projected control

As an added measure,access control procedures stipulate who can have access to an Extranet and to what information and services specifically.

What is the major characteristic of man's memory capacity according to the author？

A．It can be expanded by language.

B．It can remember all the combined words.

C．It may keep all the information in the past.

D．It may change what has been stored in it.