11. Which of the following is true concerning the following statement: class Manager extends Employee A. Manager is a concrete class and a superclass. B. Manager is a concrete class and a subclass. C. Manager is an abstract class and a superclass. D. Manager is an abstract class and a subclass. Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
12. Which of the following is an ordered collection of elements of the same type? A. Set B. Bag C. List D. Dictionary Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
13. A relationship should be specified how in the ODL? A. One direction starting with the first class B. One direction starting with the second class C. Neither direction D. Both directions Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
14. Using OQL, you may do which of the following? A. Return an entire collection of elements including duplicates. B. Return a collection of elements without duplicates. C. Return a specific subset of elements using a given criteria. D. All of the above. Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
15. The Object Query Language is which of the following? A. Similar to SQL and uses a select-from-where structure B. Similar to SQL and uses a select-where structure C. Similar to SQL and uses a from-where structure D. Not similar to SQL Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
16. ODL supports the abstract keyword for classes and operations. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
17. The ODMG Object Model requires that a relationship be specified in both directions. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
18. Before specifying a key for a class, you must specify its extent. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
19. The Object Model supports different literal types, but does not support atomic literals, collection literals, and structured literals. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
20. The ODMG Object Model supports only unary and binary relationships. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
