Visual basic 2010 computer programming help?
p>Quiz C11
Question 1
In a three-layer application, the three layers are
Question 1 options:
the business layer, the middle layer, and the database layer
the presentation layer, the middle layer, and the database layer
the presentation layer, the access layer, and the database layer
the presentation layer, the middle layer, and the dataset layer
Question 2
When you design and develop business classes for an application, your goal is to
Question 2 options:
allow development to be spread among members of a development team
separate the business rules from the presentation and database logic
make the application easier to develop and maintain
all of the above
Question 3
A class defines the properties and methods of
Question 3 options:
a structure
a value
an object
a member
Question 4
The process of creating an object from a class is known as
Question 4 options:
instantiation
encapsulation
inheritance
modeling
Question 5
What feature are you taking advantage of when you call the ToDecimal method of the Convert class without knowing how it’s coded?
Question 5 options:
instantiation
encapsulation
inheritance
modeling
Question 6
The fields of a class
Question 6 options:
are the variables that are defined at the class level
must be instance variables
must be reference types
must be value types
Question 7
Two objects created from the same class can have different
Question 7 options:
fields
methods
data
properties
Question 8
To return the value of an instance variable named v from a get procedure, you code
Question 8 options:
Return v
v = value
Return value
Exit
Question 9
A read-only property consists of just
Question 9 options:
a get method
a set method
a set procedure
a get procedure
Question 10
Which of the following backing fields will Visual Studio generate for an auto-implemented property named LastName?
Question 10 options:
m_LastName
m_lastName
_LastName
_lastName
Question 11
Which method is an example of overloading the method that follows?
Public Function ParseNumber(ByVal numberString As String) As Integer
Question 11 options:
Public Function Parse(ByVal numberString As String) As Integer
Public Function ParseNumber(ByVal num As String) As Integer
Public Function ParseNumber(ByVal num As String, ByVal entry As String) _
As Integer
Public Function ParseNumber(ByVal num As String) As Decimal
Question 12
To begin the declaration for a constructor, you code the keywords Public Sub followed by
Question 12 options:
the keyword New
the data type of the class
the name of the class
the arguments
Question 13
What happens when this statement is executed?
Dim car As New Automobile(index)
Question 13 options:
An object of the Automobile class is created.
An object of the Automobile class is declared, but not created.
The default constructor in the Automobile class is called.
Question 14
When you’re entering the Visual Basic code for a form and want to refer to a shared method in another class, you start with
Question 14 options:
the name of the class that contains the shared method
the name of an object created from the class that contains the shared method
the name of the shared method
Question 15
The Generate From Usage feature lets you generate a code stub for a class or member from
Question 15 options:
the Solution Explorer
the Exception Assistant
the Generate From Usage wizard
the Error Correction Options window
Question 16
To review the members of two or more classes at the same time, you can use
Question 16 options:
the Class View window
the Class Details window
a class diagram
Question 17
To generate the starting code for a new member of a class, you can use
Question 17 options:
the Class View window
the Class Details window
a class diagram
Question 18
Which of the following is not true about a structure?
Question 18 options:
A structure requires less memory and instantiates faster than a class
You can code members for a structure just as you can for a class
You can code more than one constructor for a structure
A structure lets you instantiate a reference type just like a class