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1. Logical relationships between tables (or entities) in the relational database model are created with primary and candidate keys.

A. True

B. False

2. ERP implementation frequently involves changes in existing business processes.

A. True B. False

3. When an enterprise is integrated, the sales department can know the inventory information in real time.

A. True B. False

4. The Hawthorn Effect happens when a person being observed deviates from his or her normal behavior.

A. True B. False

5. Apple is an example of a company that follows the cost leadership strategy.

A. True B. False

6. Providing training for users occurs at the development stage of SDLC.

A. True B. False

7. The heart of an ERP system is a centralized and integrated database.

A. True B. False

8. In a relational database, attributes are characteristics or properties of an entity.

A. True B. False

9. An ERP system is built on a decentralized and integrated database.

A. True B. False

10.In relational database design, a physical model is an abstract model of the database from the business perspective, which is independent from any DBMS.

A. True B. False

11.The Agile Development methodology emphasizes iterative processes and continuous communications with users.

A. True B. False

12. Shortcomings of Waterfall SDLC include: system requirements are "locked in" after being determined, and there is limited user involvement.

A. True B. False

13.One key activity of the Design phase of SDLC is writing detailed user documentations.

A. True B. False

14.Using hidden cameras is one way to overcome the Hawthorne effect if direct observation is used to gather business requirements of a system.

A. True B. False

15.An entity is a characteristic or property of an attribute in the relational database model.

A. True B. False

16.The relational database model is the most intuitive and commonly used database model in practice.

A. True B. False

17.In the relational database model, a primary key does not correspond to the entity identifier.

A. True B. False

18.A company is selling natural and organic products at higher prices to customers with higher incomes and more care of food quality. The competitive strategy followed by the company is differentiation focus.

A. True B. False

19.In the Hershey ERP implementation case that we have discussed in the class, the implementation approach planned by Hershey was plunge implementation.

A. True B. False

20.ERP helps integrate all departments and functions through an enterprise in today's dynamic business environment.

A. True B. False

21.The cost of maintenance is always lower than the cost of development for a system.

A. True B. False

22.In the relational database model, a table can only have one candidate key.

A. True B. False

23.One of the major reasons for system development failure is poor and ambiguous requirements. A. True B. False 24.In relational database design, the physical model needs to be developed before the conceptual model.

A. True B. False

25. Functional requirements describe what properties the system should have instead of what the system should do.

A. True B. False

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