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MCQs

Total Questions : 30 | Page 2 of 3 pages
Question 11. Which of the following is true for a relational database?
  1.    It is difficult to access data.
  2.    All of these
  3.    Complex programs have to be written for simple queries.
  4.    Data is represented by tables.
 Discuss Question
Answer: Option D. -> Data is represented by tables.
Question 12. Some advantages of the database approach include all, but:
  1.    program-data dependency.
  2.    improved data consistency.
  3.    improved data sharing.
  4.    minimal data redundancy.
 Discuss Question
Answer: Option A. -> program-data dependency.
Question 13. Structured data may include which of the following?
  1.    Video clip
  2.    Photo image
  3.    None of these
  4.    Dates
 Discuss Question
Answer: Option D. -> Dates
Question 14. An enterprise database is which of the following?
  1.    A database designed to support a relatively small group
  2.    A database designed to support only users external to an organization
  3.    A database designed to support a single PC
  4.    A database designed to support an entire organization
 Discuss Question
Answer: Option D. -> A database designed to support an entire organization
Question 15. An extranet is which of the following?
  1.    The use of Internet protocols with unlimited access to company data by people within an organization.
  2.    The use of Internet protocols with unlimited access to company data by the company's customers and suppliers.
  3.    The use of Internet protocols with limited access to company data by the company's customers and suppliers.
  4.    The use of Internet protocols with limited access to company data by people within an organization.
 Discuss Question
Answer: Option C. -> The use of Internet protocols with limited access to company data by the company's customers and suppliers.
Question 16. All enterprise resource planning (ERP) systems are heavily dependent on databases to store the data required by the ERP applications.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 17. An advantage of the database approach is the creation of maximum data redundancy.
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False
Question 18. Databases that contain historical and summarized information are usually called data warehouses.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 19. An enterprise data model is a relational model that shows the high-level entities for the organization and associations among those entities.
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False
Question 20. Database management systems were first introduced in the 1950s.
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False

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