Pass4sure Microsoft mb4-534 v2.93

SL 7.0 Installation & Configuration. : mb4-534 Exam
Product DescriptionExam Number/Code: mb4-534
Exam Name: SL 7.0 Installation & Configuration.

“SL 7.0 Installation & Configuration.”, also known as mb4-534 exam, is a Microsoft certification. With the complete collection of questions and answers, Pass4sure has assembled to take you through 50 Q&As to your mb4-534 Exam preparation. In the mb4-534 exam resources, you will cover every field and category in Microsoft Business Solutions helping to ready you for your successful Microsoft Certification.
QUESTION 1
You work as the application developer at Certkiller .com. You are developing a .NET
Framework 2.0 application that uses a Dictionary generic class. You write the
following code to create the dictionary.
Dim value As String = “”
Dim openWith As Dictionary(Of String, String) = New Dictionary(Of
String, String)()

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openWith.Add(“txt”, “notepad.exe”)
openWith.Add(“gif”, “paint.exe”)
openWith.Add(“png”, “paint.exe”)
openWith.Add(“rtf”, “wordpad.exe”)
openWith.Add(“log”, “notepad.exe”)
You are required to write the code that displays the value corresponding to a key if
the key exists in the dictionary, but the code frequently tries keys that are not in the
dictionary. The solution you propose must minimize the number of times you access
the dictionary and offer the fastest performance.
What should you do?
A. If openWith.ContainsKey(“tif”) Then
Console.WriteLine(“For key = ” “tif” “, value = {0}. “, openWith(“tif”))
Else
Console.WriteLine(“Key = ” “tif” “is not found.”)
End If
B. Try
Console.WriteLine(“For key = ” “tif” “, value = {0}. “, openWith(“tif”))
Catch notfoundex As KeyNotFoundException
Console.WriteLine(“Key =” “tif” “is not found.”)
End Try
C. Try
Console.WriteLine(“For key = ” “tif” “, value = {0}. “, openWith(“tif”))
Catch argex As ArgumentException
Console.WriteLine(“Key =” “tif” “is not found.”)
End Try
D. If (openWith.TryGetValue(“tif”, value)) Then
Console.WriteLine(“For key = ” “tif” “, value = {0}. “, value)
Else
Console.WriteLine(“Key = ” “tif” “is not found.”)
End If
Answer: D
Explanation: By making use of the TryGetValue method you efficiently retrieve
values in a program that frequently tries keys that are not in the dictionary. By
using this method the return will simply be a null reference (nothing).
Incorrect Answers:
A: The contains key is an effective way to check if a key exists but in this scenario it
would require an additional operation to retrieve the value corresponding to the key.
B: Better performance can be attained by using the TryGetValue method in the scenario.
C: The method in question about catching the ArgumentException is not correct as
nothing will be caught that is thrown when a key is not found.
QUESTION 2
You work as the application developer at Certkiller .com. Certkiller .com uses Visual

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Studio.NET 2005 as its application development platform.
You are developing a .NET Framework 2.0 application class library. You create a
class named Test using the following code.
Class Test
‘Additional code goes here
End Class
In the code created a SortedList collection with the Test objects as keys, the
SortedList collection must be able to sort the items in a collection so that they are
arranged in order from biggest to smallest. You must ensure that the class you
wrote complies with the .NET Framework standard contracts.
What should you do?
A. The Test class should be modified to implement the Icomparer interface.
B. The Test class should be modified to implement the IEquatable interface.
C. The Test class should be modified to implement the IConvertible interface.
D. The Test class should be modified to implement the IComparable interface.
Answer: D
Explanation: The Test class must be modified to implement the Icomparable
interface as it determines the sort order of the two objects of the class.
Incorrect Answers:
A: This method is not recommended because the key type (Test) implements
Icomparable , the default comparer of the SortedList will use Icomparable defined in the
Test class to compare two objects.
B: This method should not be implemented as it only checks the two type instances for
equality.
C: This interface is used to define methods that allow you to convert the value of the Test
object to an equivalent value of any other type.
QUESTION 3
You work as the application developer at Certkiller .com. Certkiller .com uses Visual
Studio.NET 2005 as its application development platform.
You are developing an application that uses the queue data structure. You are
required to create a solution that allows you to enumerate a queue’s contents whilst
providing type safety.
What should you do?
A. Dim ckQueue As Queue = New Queue()
ckQueue.Enqueue(“one”)
ckQueue.Enqueue(“two”)
For Each ckStr As String In ckQueue
Console.WriteLine(ckStr)
Next
B. Dim ckQueue As Queue(Of String) = New Queue(Of String)()
ckQueue.Enqueue(“one”)

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ckQueue.Enqueue(“two”)
For Each ckStr As String In ckQueue
Console.WriteLine(ckStr)
Next
C. Dim ckQueue As Queue = New Queue()
ckQueue.Enqueue(“one”)
ckQueue.Enqueue(“two”)
Dim safeT As Queue = Queue.Synchronized(ckQueue)
For Each ckStr As String In ckQueue
Console.Writeline(ckStr)
Next
D. Dim ckQueue As Queue = New Queue()
ckQueue.Enqueue(“one”)
ckQueue.Enqueue(“two”)
For Each ckStr As String in ckQueue
Console.WriteLine(ckStr)
Next
Answer: B
Explanation: If you are to ensure type safety the generic version of the Queue class
should be used, if you used the non-generic Queue class you would be able to add or
insert objects of any type.
Incorrect Answers:
A, C, D: The usage of the SyncRoot property and the Synchronized method is useful for
using the queue in a multithreaded scenario but does not provide any type safety.
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Questions and Answers : 50 Q&As Updated: October 13th , 2008 Price: $159.99 $125.99
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