EMC Study Guide

18 Nov 2010 @ 11:28 AM

Passfine Download Free 70-549 Question

Exam Number/Code : 70-549

Exam Name : PRO:Design & Develop Enterprise Appl by Using MS.NET Frmwk

Questions and Answers : 82 Q&As

Update Time: 2010-08-17

70-549 Exam DEMO:

You are an enterprise application developer. You are creating a component that processes loan requests. Your component will be used inside Microsoft Windows Forms client applications.

The loan request form is complex and time consuming to complete. Loan data is saved to a Microsoft SQL Server 2005 database.

You need to ensure that in case of a system failure the loan officer does not need to re-enter any loan data.

What should you do?

A. Implement a Private Save method that saves all Property values to the database. Call the Save method from inside your components finalizer.

B. Implement code inside the Set accessor for each Property that saves the Property value to the database.

C. Implement a Public Save method that saves all Property values to a Shared variable.

D. Implement code inside the Set accessor that saves the Property value to a Shared variable.

Answer: B

You are an enterprise application developer. You are creating a component that processes loan requests. Your component will be used inside Microsoft Windows Forms client applications.

The loan request form is complex and time consuming to complete. Loan data is saved to a Microsoft SQL Server 2005 database.

You need to ensure that in case of a system failure the loan officer does not need to re-enter any loan data.

What should you do?

A. Implement a Private Save method that saves all Property values to the database. Call the Save method from inside your components finalizer.

B. Implement code inside the Set accessor for each Property that saves the Property value to the database.

C. Implement a Public Save method that saves all Property values to a Shared variable.

D. Implement code inside the Set accessor that saves the Property value to a Shared variable.

Answer: B

You are an enterprise application developer. You create a Microsoft Windows client application that communicates with a business layer component.

The business layer component contains the following class, named Utility.

Public Class Utility

Public Sub New()

…

End Sub

Public Sub ChangeData()

…

End Sub

End Class

The application must fulfill the following criteria:

Instances of the Utility class must be created only within the business component.

The Windows client application must be able to invoke the methods inside the Utility class.

You review the code for the Utility class and decide it requires modification.

You need to recommend modifications for the code.

What should you recommend?

A. Change the scope of the constructor to Private.

B. Change the scope of the constructor to Friend.

C. Change the scope of the Utility class to Private.

D. Change the scope of the Utility class to Friend.

Answer: B

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