design and implementation MCQs – Page 2

Practise focused design and implementation questions with marked answers for exam preparation and subject revision.

design and implementation Mcqs
21. UML interfaces are used to_____________________?
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A. program in Java, but not in C++ or Smalltalk

B. specify required services for types of objects

C. define an API for all classes

D. define executable logic to reuse across classes

22. The ______________ of a relationship is 0 if there is no explicit need for the relationship to occur or the relationship is optional ?
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A. cardinality

B. entity

C. modality

D. structured analysis

23. Which of the following term is best defined by the statement Notation that can be input directly into a computer-based development system offers significant benefits. ?
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A. Structure enforcement

B. Overall simplicity

C. Maintainability

D. Machine readability
24. A _______________ executes the loop task first, then tests a condition and repeats the task until the condition fails ?
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A. condition

B. repeat until

C. do while tests

D. if then-else

25. A software component____________________?
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A. Communicates through its interfaces only

B. Implements some functionality

C. All of the mentioned

D. Has explicit dependencies through provides and required interfaces

26. What incorporates data, architectural, interface, and procedural representations of the software ?
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A. design model

B. users model

C. mental image

D. system image

27. Which diagram shows the configuration of run-time processing elements ?
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A. ER-diagram

B. Component diagram

C. Deployment diagram

D. Node diagram

28. What is a collection of operations that specify a service of a class or component ?
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A. Actor

B. Interface

C. Use Case

D. Relationship

29. Classes and interfaces are a part of____________________?
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A. Grouping things

B. Behavioral things

C. Annotational things

D. Structural things
30. In which test design each input is tested at both ends of its valid range and just outside its valid range ?
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A. Decision tables

B. Boundary value testing

C. Boundary value testing AND Equivalence class partitioning

D. Equivalence class partitioning
31. When does the testing process stops ?
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A. Testing never ends

B. When some coverage is reached

C. When resources (time and budget) are over

D. When quality criterion is reached
32. Which of the following are the valid relationships in Use Case Diagrams______________________?
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A. Include

B. All of the mentioned

C. Generalization

D. Extend

33. The ________________ contains a state transition diagram that is a sequential specification of behavior?
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A. control specification

B. workflow diagram

C. data flow diagram

D. state transition diagram

34. How many diagrams are here in Unified Modelling Language ?
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A. eight

B. seven

C. nine

D. six

35. The use of design patterns for the development of object-oriented software has important implications for____________________?
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A. All of the mentioned

B. Component-based software engineering

C. None of the mentioned

D. Reusability in general

36. You want to avoid multiple inheritance. Which design pattern would you choose ?
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A. Singleton Pattern

B. Player-Role Pattern

C. Abstraction-Occurrence Pattern

D. General Hierarchy Pattern

37. Interaction Diagram is a combined term for_____________________?
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A. Activity Diagram + State Chart Diagram

B. None of the mentioned

C. Sequence Diagram + Collaboration Diagram

D. Deployment Diagram + Collaboration Diagram

38. Which diagram indicates the behaviour of the system as a consequence of external events ?
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A. control specification diagram

B. data flow diagram

C. state transition diagram

D. workflow diagram

39. Which granularity level of testing checks the behavior of module cooperation ?
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A. Regression Testing

B. Unit Testing

C. Acceptance Testing

D. Integration Testing
40. Which diagram in UML emphasizes the time-ordering of messages ?
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A. Sequence

B. Class

C. Collaboration

D. Activity