.Net Framework and C# Basics - Test No : 01

.Net Framework and C# Basics - Test No : 01
Test Number:2 Topics :Assembly, Event, Delegates_exceptions  Test No : 03 - Collections ,Generics , System.IO, Serialisation ,WinForms Test 04 - Reflection, Custom Attributes, Threading, Windows Service Test No : 05 -Remoting ,Webservices
Prefixing a variable with the const keyword when it is declared  and initialized designates that variable as a ___________________.
a) Read Only
b) constant
c) Write only
d) none of above
C# distinguishes datatypes in two categories ie ______ and ____
a) Selfdescribing types and UserDefine types
b) Interface types and pointer types
c) Value types and refrence types
d) All of the above
_______ and _______ are reference type of datatypes
a) class and strut
b) delegate and event
c) Object and string
d) interface and pointers
_______ and _______ are conditional statements.
a) if and else
b) if and switch
c) goto and continue
d) return and break
________ are loops available with c#.
a) for loop
b) While and do while loop
c) foreach loop
d) All of the above
_________ are jump statements
a) goto
b) break
c) continue and return
d) all of the above
An enumeration is a _______.
a) primitive datatype
b) selfdescribing type
c) user defined integer type
d) None of above
int[] integers is ______dimentional array
a) one
b) two
c) three
d) Can be any one from above
Namespaces provide a way of organizing related ________ and ____.
a) Classes and other types
b) classes and methods only
c) classes and structs only
d) classes and fields only
C# allows you to abbreviate a class's full name with the help of  listing class's namespace at the top of file by ____________ keyword.
a) alias
b) const
c) using
d) new
using Introduction = Wrox.ProCSharp.Basics; syntax is  used to create _______ of namespace
a) aliases
b)  instance
c) Object
d) variable
_____________ method makes the class method the entry point for  the program
a) Main()
b) main()
c) main(string [] args)
d) All of the above
_______ is used to access any option passed through the command  line when program gets started
a) Main(string[] args)
b)main(string [] args)
c) main(string s1)
d)Main(object obj)
Console.WriteLine() adds a _____ at the end of output
a) newline
b) newline character
c) writeline
d) None of above
For single line and multiline comment, these symbols  _______ and _______ are used
a) // and **/__/**
b)// and */__ /*
c) // and /*___*/
d)// and "/ _/"
___________ directives inform the compiler whether or not to compile a  block of code.
a) #if
b) #elif
c)#else and #endif
d)All of the above
_________ directives are used to indicate that a certain block of code  is to be treated as a single block with a given name.
a) #region and #endregion
b)#pragma
c)#else, and #endif
d)All of the above
___________ directive can either suppress or restore specific compiler warnings
a) #region and #endregion
b)#pragma
c)#else, and #endif
d)All of the above
Identifiers are the names you give to _________
a)objects
b)variables
c) instance
d) All of the above
For class and struct you need to use keyword _____ for creating instance
a) public
b) static
c) new
d) internal
Class is blueprint of ______
a) struts
b) interface
c) static class
d) object
fields, constants, and events are _______ while methods, properties,  constructors, finalizers, operators, and indexers are __________.
a) data members, function members
b) class members, struct members
c) variables, datatypes
d) Can be anything  from above
Forcing value parameters to be passed by reference, you need to use ____ keyword
a)new
b) out
c) Using
d) ref
Several versions of the method that have different signatures is  termed as _________.
a) method overriding
b) method overloading
c) siganture overloading
d) operator overloading
During instantiating of an object ________ is called first
a) Destructor
b) parameters
c)first  method
d) constructor
________ are executed only once during the instantiation of objects of  same class
a) Destructor
b) parameters
c)static constructor
d) constructor
_________ do not support inheritance
a) class
b) interface
c) partial class
d) struct
_______ donot allow to define constructor that takes no parameter
a)class
b)interface
c) statis class
d) struct
classes and structure are ______ and ______ datatypes respectively
a) Selfdescribing types and UserDefine types
b) Interface types and pointer types
c) Refrence types and Value types
d) class type and structure type
If a class contains nothing but static methods and properties, the class itself  is ______.
a) abstract class
b) object class
c) static class
d) sealed class
All .NET classes are ultimately derived from class ____________
a) .net Framework
b) common language runtime
c) System.object
d) All of the above
C# ____________ multiple inheritance classes.
a) support
b) does not support
c) all of above
d) none of above
By declaring a base class function as ________, you allow  the function to be overridden in any derived classes
a) new
b) sealed
c) public
d) virtual
For hiding method, _______ keyword is used
a) hide
b) sealed
c) new
d) private
_________ cannot be instantiated
a) partial class
b) an abstract class
c) sealed class
d) All of the above
Using protected access modifier, item is visible to __________.
a)class types
b)derived type
c) base types
d) outside assembly
_________ overrides an inherited virtual member, but  cannot be overridden by any classes that inherit from this class
a) class
b) an abstract class
c) sealed class
d) All of the above
An interface has neither ________  nor ___________.
a) contructor, fields
b) methods, properties
c) delegates,events
d) All of the above
[] operator is used for _______
a) Indexing (for arrays and indexers)
b) or conditions
c) and conditions
d) all of the above
?: (ternary operator) is used for _________.
a) jump
b) return
c) break
d) conditional
+= and *= are _______ operators
a) ternary
b) primary
c) unary
d) assignments
_____ can normally be achieved only if you can guarantee that the value is not changed in any way
a) Explicit conversions
b) implicit conversions
c) casting
d) All of the above
_______ allow you to convert reference types to value types and _______ allow  to convert value types to reference types
a)  unbox and box
b) cast and uncast
c) unboxing and  boxing
d) Can be any one from above
_________is a static method that tests whether two references refer to the same instance of a class
a) Equals()
b) Refrence Equals()
c) ToString()
d) Compare()
The System.Object implementation of the virtual version of _______ works by comparing references
a) Equals()
b) Refrence Equals()
c) ToString()
d) Compare()
the sequence _____ indicates the beginning or end of a word
a) /b
b) b/
c) /b/
d) b/*
________ represents a set of objects that you can access by stepping through each  element in turn and to access the set of objects, you need to use _______.
a) Array, foreach loop
b) Collection,forloop
c) collection,foreachloop
d) collection, do while loop
For Compilation of C# code, which language specific compiler is used?
a) gacutil.exe
b) csc
c) both a and b
d) none of above
What are the two types of data types in C#?
a) value, reference
b) int, int32
c) string, object
d) All of the above
int [ , ] integers ; In this declaration what integers represents?
a) simple array
b) multidimentional array
c) jagged dimentional array
d) All of the above
What is CLR ?
a) Conventional Language Runtime
b) Clarified Language Runtime
c) Common Language Runtime
d) Colloquial Language Runtime
The statement that is used to replace multiple if statements is called
a) The switch & case statement
b) ?: (ternary operator)
c) The nestedif statement
d) The #endif statement
Which of the following is not a C# keyword?
a) Implements
b) If
c) Private
d) Delegate
what is the default access specifier for a Top-level Class, which are not nested into other Classes
a) public
b) private
c) protected
d) internal
If a method is marked as protected internal who can access it?
a)  Access is limited to the current assembly
b) Access is limited to the containing class or types derived from the containing class.
c) Access is limited to the containing type
d) Access is limited to the current assembly or types derived from the containing class.
An array is a list of data items that _________________
a) all have the same type
b) all have different names
c) all are integers
d) all are orignally set to ‘null’ (‘\0′)
How do you convert a string into an integer in .NET?
a) Int32.Parse(string)
b) Int64.Parse(string)
c) Int.Parse(string)
d) Int16.Parse(string)
C# does not support?
a) interface
b) abstract
c) multiple inheritance
d) none of above
Which operator is used to allocate memory for an instance  of a class, as well as to pass arguments to a constructor of that class?
a) new
b) delete
c) alloc
d) malloc
int x = 42; int s = 43; x++; x += –s; Console.WriteLine(x);
a) 2
b) 85
c) 42
d) 42
Which of the following is not the feature of CLR
a) Garbage collection
b) Language integration
c) compilation from source code to MSIL
d) Multiple versioning support
When was the first version of .net Framework released?
a) 2000
b) 2002
c) 2005
d) 2001
What is CIL?
a) Common Intermediale Language
b) Common Interface Language
c) Colloquial Interface Language
d) Colloquial Intermediale Language
Wich of the following is true about the namespace?
a) Namespace logically group objects
b) Namespace logically group types
c) Namespace virtually group classes
d) none of above
Information provided by Assembly Manifest includes
a) Assembly Name
b) Culture
c) Strong name
d) All of the above
What is CLS?
a) Colloquial Language Specification
b) Common Language Specialisation
c) Common Language Specification
d) Colloquial Language Specialisation
Which of the following is not an elements of .net Framework?
a) CLR
b) COM
c) CTS
d) CLS
Which of the following is false about value Types?
a) Stores the data.
b) They are lighter objects
c) several variables can reference the same data
d) One variable can have just one value .
Which of the following is  true about code security?
a) Role based security is better security for user
b) Code access security is best for system resources
c) both a and b are best measures of security
d) All of  the  above
Which of the following is not a type of JIT compiler?
a) Pre - JIT
b) Dual - JIT
c) Econo - JIT
d) none of the above