CIS 247 DeVry Week 4 Quiz Latest

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CIS 247 DeVry Week 4 Quiz Latest

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CIS 247 DeVry Week 4 Quiz Latest

CIS247

CIS 247 DeVry Week 4 Quiz Latest

  1. Question : (TCO 3) Which statement is true regarding the principles of an object-oriented language?
  • Persistence is not an optional object-oriented language requirement.
  • All methods should be public when declare inside a class.
  • Encapsulation means hiding data in a class from other classes.
  • Class attributes should be global so all elements of the program can see them.

Question 2. Question : (TCO 3) When would a programmer write more than one constructor?

  • You never have more than one constructor
  • The constructor cannot be overloaded
  • So objects can be treated the same way as variables of built in data types
  • None of the above

Question 3. Question : (TCO 3) Which of the following might be potential class(es) in an application?

  • Checking Account
  • Customer
  • Deposit
  • A and B
  • None of the above

Question 4. Question : (TCO 3) Why do classes need to collaborate with each other?

  • Most classes do not exist in isolation.
  • Classes need to interact with other classes to exchange data.
  • None of the above
  • Both A and B

Question 5. Question : (TCO 3) Assume you have an Employee class with a non-static attribute named salary. If you create ten objects of this class, how many copies of the salary variable will you have?

  • 2
  • 10
  • An unlimited number
  • None of the above

Question 6. Question : (TCO 3) What does SOW stands for in the object-oriented design process?

  • Sequence of work
  • Structure of work
  • Statement of work
  • None of the above

Question 7. Question : (TCO 3) In the object-oriented design process, which of the following is true?

  • The cost of a design change in the implementation phase is very low.
  • The cost of a requirement/design change in the design phase is very high.
  • The cost of a design change after the deployment phase is astronomical .
  • All of the above
  • None of the above

Question 8. Question : (TCO 3) To _____ an object is to create it.

  • instantiate
  • encapsulate
  • abstract
  • overload

Question 9. Question : (TCO 3) Every object of the same class _____.

  • gets a copy of every instance variable only
  • gets a copy of every instance variable and method
  • gets a copy of every method only
  • None of the above

Question 10. Question : (TCO 3) Classes do not have the ability to _____.

  • encapsulate data.
  • enforce information hiding
  • contain both data and functions
  • know how other classes are implemented