1) The C# keyword ‘int’ maps to which .NET type?
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System.Int16
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System.Int32
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System.Int64
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System.Int128
2) Which of these string definitions will prevent escaping on backslashes in C#?
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string s = #”n Test string”;
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string s = “’n Test string”;
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string s = @”n Test string”;
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string s = “n Test string”;
3) Which of these statements correctly declares a two-dimensional array in C#?
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int[,] myArray;
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int[][] myArray;
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int[2] myArray;
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System.Array[2] myArray;
4) If a method is marked as protected internal who can access it?
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Classes that are both in the same assembly and derived from the declaring class.
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Only methods that are in the same class as the method in question.
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Internal methods can be only be called using reflection.
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Classes within the same assembly, and classes derived from the declaring class.
5) What is boxing?
a) Encapsulating an object in a value type.
b) Encapsulating a copy of an object in a value type.
c) Encapsulating a value type in an object.
d) Encapsulating a copy of a value type in an object.
6) What compiler switch creates an xml file from the xml comments in the files in an assembly?
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/text
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/doc
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/xml
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/help
7) What is a satellite Assembly?
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A peripheral assembly designed to monitor permissions requests from an application.
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Any DLL file used by an EXE file.
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An assembly containing localized resources for another assembly.
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An assembly designed to alter the appearance or ‘skin’ of an application.
8) What is a delegate?
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A strongly typed function pointer.
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A light weight thread or process that can call a single method.
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A reference to an object in a different process.
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An inter-process message channel.
9) How does assembly versioning in .NET prevent DLL Hell?
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The runtime checks to see that only one version of an assembly is on the machine at any one time.
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.NET allows assemblies to specify the name AND the version of any assemblies they need to run.
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The compiler offers compile time checking for backward compatibility.
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It doesn’t.
10) Which “Gang of Four” design pattern is shown below?
public class A {
private A instance;
private A() {
}
public
static A Instance {get
{
if ( A == null )
A = new A();
return instance;
}
}
}
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Factory
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Abstract Factory
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Singleton
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Builder
11) In the NUnit test framework, which attribute must adorn a test class in order for it to be picked up by the NUnit GUI?
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TestAttribute
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TestClassAttribute
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TestFixtureAttribute
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NUnitTestClassAttribute
12) Which of the following operations can you NOT perform on an ADO.NET DataSet?
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A DataSet can be synchronised with the database.
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A DataSet can be synchronised with a RecordSet.
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A DataSet can be converted to XML.
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You can infer the schema from a DataSet.
13) In Object Oriented Programming, how would you describe encapsulation?
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The conversion of one type of object to another.
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The runtime resolution of method calls.
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The exposition of data.
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The separation of interface and implementation.