Chapter 14. Answer Key for Practice Exam #1

Answer Key

1. A

2. A and D

3. B and C

4. A

5. B

6. D

7. B

8. B

9. C

10. A

11. A

12. C

13. A

14. B and D

15. C and D

16. C

17. A

18. B

19. A

20. D

21. A

22. C and D

23. B

24. C

25. B

26. A and B

27. A, B, and E

28. D

29. D

30. D

31. B

32. D and E

33. A

34. A and C

35. C

36. C

37. B and C

38. B

39. A

40. C

41. A

42. B

43. C

44. C

45. B

46. A and D

47. D

48. D

49. A

50. E

51. D

52. C

53. C

54. B

55. A and E

56. C

57. C

58. D

59. A

60. A and C

61. D

62. B

63. C

64. B

65. B

Detailed Answers

A1:

The correct answer is A. With a Singleton SAO, state is persisted, but all clients of the object share the same state. With a CAO, each client can persist its own state, which avoids the problem with clients sharing state. Answer B is incorrect because with a SingleCall SAO, state ...

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