IT 240 Latest Version Set (A) Week 1 DQ 1

 This paperwork of IT 240 Entire Course 2014 Latest Version A+ Study Guide comprises:


 INTRO TO LAN TECHNOLOGIES

Computer Science - General Computer Science
 1.  (TCO 1) Object-oriented programming does not generally focus on _____. (Points : 5)
   A. data abstraction.
   B. cutting down on the lines of code.
   C. client side access to implementation details.
   D. information hiding.
   All of the above
   None of the above
   Only B and C













 2.  (TCO 2) Which of the following components of a class definition can be overloaded? (Points : 5)
   Properties
   Destructors
   Static data members
   All of the above
   None of the above











 3.  (TCO 5) Which of the following method pairs are examples of method overloading? (Points : 5)
   A. public void Dance() ; public int Dance(int x)
   B. public int Walk(int x, int y) ; public void Walk(int x, int y, int z)
   C. public int Jump(int x, int y) ; public int Jump(int y, int x)
   All of the above
   Only A and B











 4.  (TCO 1) Which of the following statements is/are true? (Points : 5)
   Abstraction is the process of ignoring the unimportant details about a category entity or activity, while concentrating on the high level information.
   Abstraction is the basic concept of the object-oriented paradigm.
   Objects are created during program execution and eventually destroyed.
   All of the above











 5.  (TCO 1) Which of the following would be the most appropriate choice for a method in a Cup class? (Points : 5)
   Drink()
   Hot()
   Break()
   Color()











 6.  (TCO 2) Which of the following statements is/are true? (Points : 5)
   A. A private (helper) method can only be used inside the class. It cannot be called outside of the class, through an object of that class.
   B. The programmer can control the scope of a data member of a class using access specifiers.
   C. An important consideration when designing a class is identifying the audience, or users, of the class.
   All of the above
   Only A and C











 7.  (TCO 4) Which of the following terms can be used to describe inheritance relationships between classes? (Points : 5)
   parent/child
   super/sub
   base/derived
   All of the above











 8.  (TCO 4) A Car class, Civic, and Driver class have what type of relationships? (Points : 5)
   The Driver has a Civic, and the Civic is a Car.
   The Driver has a Civic, and the Car is a Civic.
   The Driver has a Car, and the Civic is a Car
   The Driver uses a Car, and the Car is a Civic.











 9.  (TCO3) Which of the following might be potential class(es) in an application? (Points : 5)
   address
   item
   credit
   All of the above
   None of the above











 10.  (TCO3) What happens right after the identification of classes in the object oriented design process? (Points : 5)
   Determining the class responsibilities
   Determining class interaction
   Creating UML diagram
   Developing SOW











 11.  (TCO 4) Which of the following is true about an inheritance hierarchy? (Points : 5)
   It is not a good practice to have deeply layered inheritance hierarchies.
   When inheritance hierarchy is to

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