2.Which of the following statements are true? (Check all that apply.)

A.In an REA diagram, each event is linked to at least one resource.

B.In an REA diagram, each event is linked to at least one other event.

C.In an REA diagram, each relationship is linked to at least one resource.

D.In an REA diagram, each relationship is linked to at least one agent.

2.Which of the following statements is true?

A.The maximum cardinality is used to indicate whether the relationship between two entities is optional or mandatory.

B.The minimum cardinality is used to indicate whether an entity can be linked to only one or more than one instance of another entity.

C.The maximum cardinality can be either zero or one.

D.None of these are correct

E.The minimum cardinality can be either one or many.

3.Which of the following statements is true?

A.None of these are correct.

B.Relationship cardinalities differ across companies because business practices differ across companies.

C.REA diagrams only describe what should happen, but not what actually happens.

D.REA diagrams should be drawn by designers without involving end users.

4.Cardinalities in an REA diagram _________

A.None of these are correct.

B.are the same for every organization.

C.reflect the business practices of the organization.

D.are chosen arbitrarily by the designer.

5.At which stage(s) of the database design process is the information needed to determine the cardinalities of relationships obtained? (Check all that apply.)

A.Implementation and Conversion

B.Operation and Maintenance

C.Systems analysis

D.Conceptual design

E.Physical design

6.Which of the following statements are true? (Check all that apply.)

A.Typically, the relationship between agents and events is 1:N

B.Typically, the relationship between agents and events is M:N

C.Typically, REA diagrams depict that the minimum cardinality on the agent side of an event-agent relationship must be zero.

D.Typically, REA diagrams depict that the minimum cardinality on the event side of an event-agent relationship must be one.

7.Which of the following statements are true? (Check all that apply.)

A.Information about agents is usually retained indefinitely (i.e., for many years).

B.Information about events is usually retained indefinitely (i.e., for many years).

C.Information about resources is usually retained indefinitely (i.e., for many years).

D.Information about resources, events, and agents is only retained for the current fiscal year.