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MCSD.NET - 70-320 Exam Interview Question:

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Suppose You have a .NET Remoting object named ES ProductLoader. The ES ProductLoader class is a
server-activated Singleton object.
The ES ProductLoader class loads product data into a Microsoft SQL Server database. The Load
method of the ES ProductLoader class is a time-consuming method to call. You are developing a
client application that uses the ES ProductLoader class. You want to ensure that the client
application can continue to respond to user input while the Load method of the ES ProductLoader
class is called.
What should you do?
A. Use an AsyncDelegate instance to call the Load method.
B. Modify the ES ProductLoader class to be derived from IAsyncResult.
C. Configure the ES ProductLoader class to be a client-activated .NET Remoting object.
D. Configure the client application to have its own remoting channel that matches the servers
channel and formatter.

Submitted by: Administrator

A. Use an AsyncDelegate instance to call the Load method.
Submitted by: Administrator

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Top MCSD.NET - 70-320 Exam Questions

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Suppose You create a .NET Remoting object named Patient info that exposes medical patient information.
Because of the confidential nature of the information, you must ensure that the data remains
secure. You want client applications to connect to Patient info over a secure communication
channel. You want to accomplish this task by writing the minimum amount of code.
What should you do?
A. Create your own host application and use a Tcp Channel and Binary Formatter.
B. Create your own host application and use an Http Channel and a Soap Formatter.
C. Install Patient info in an Internet Information Services (IIS) virtual directory.
Configure Patient info to use a Tcp Channel and a Binary Formatter.
Configure IIS to use SSL.
D. Install Patient info in an Internet Information Services (IIS) virtual directory.
Configure Patient info to use an Http Channel and a Soap Formatter.
Configure IIS to use SSL.

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You have a .NET Remoting object named Utils. The Utils class is a client-activated .NET
Remoting object. You want to write a client application that creates and uses a Utils object. You
want the client application to hold onto a reference to a Utils object for the duration of its
execution.
What should you do?
A. Construct the Utils object, and hold the object in a member variable.
B. Construct the Utils object, and set the LifeTimeService.LeaseTime to 0.
C. In the client application, create an Implementation of the ISponsor interface. Implement the
Renewal method to extend the lease.
D. In the client application, create an Implementation of the ILease interface. Implement the
CurrentLeaseTime property to return Int32.MaxValue.

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Suppose You are developing an application named ExamSApp by using Visual C# .NET and Visual Basic
.NET. The application will use functions form a DLL written in unmanaged code. One function
requires the calling application to allocate unmanaged memory, fill it with data, and pass the
address of the memory to the function. On returning from the function, the calling application must
deallocate the unmanaged memory.
You need to decide how your application will handle unmanaged memory.
What should you do?
A. Use a byte array.
B. Use the methods of the Marshal class.
C. Use the methods of the MemoryStream class.
D. Derive a new class from the Stream class, and override the allocation methods.

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Suppose You create three Windows services named ES1, ES2, and ES3. You want to install all three
services on a computer named CompanyA by using the Installer tool (Installutil.exe).
On the command line of CompanyA, you enter and run the following command: Install util ES1
ES2 ES3
During the installation process, ES3 throws an installation error. The installation process
completes.
How many of the three services are now installed on CompanyA?
A. None
B. One
C. Two
D. Three

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Suppose You have a Dataset object named ES DataSet that is populated with data from a Microsoft SQL
Server database. This object contains insertions, deletions, and updates to the data. You want to
apply the data changes in ES DataSet to the database. You decide to use the Sulligent data
provider. You need to create a data object that you will use to update the database. Which code
segment should you use?
A. SqlDataReader myDataReader;
B. SqlDataAdapter mySqlDataAdapter = new sqlDataAdapter();
C. DataObject myDataObject = new DataObject();
D. SqlParameter myParameter = new SqlParameter();

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