You create an ASP.NET Web Service that tracks the shipment of orders.
The Web service includes a class nemed StatusService, which contains the following method:
Public string GetStatus()
{
/* additional code here */
}
You note that you can instantiate the StatusService class from a Web service client project, but the GetStatus method is not available.
What could be the problem?

• A.The methods of a Web service can return only object data.
• B.You must mark the method with the WebService attribute.
• C.Only properties can be part of the public interface of a Web service.
• D.You must mark the method with the WebMethod attribute.

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Hotspot Question
For each of the following statements, select Yes if the statement is true.
Otherwise, select No. Each correct selection is worth one point.

Correct Answer:

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The purpose of the Finally section in an exception handler is to:

• A.Execute code regardless of whether an exception is thrown.
• B.Conclude the execution of the application.
• C.Execute code only when an exception is thrown.
• D.Break out of the error handler.

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Which of the following must exist to inherit attributes from a particular class?

• A.Public properties
• B.A has-a relationship
• C.An is-a relationship
• D.Static members

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Your application includes a SqlDataAdapter object named sqlDataAdapter and an OleDbDataAdapter object named oledbdataAdapter.
You need to connect to the Employees table of a SQL Server database.
Your application also includes a DataSet object named dsEmployees.
You need to load the data from the database into the DataSet object.
You must select a solution that gives you the best performance.
Which of the following lines of code should you choose?

• A.dsEmployees = sqlDataAdapter.Fill("Employees");
• B.oledbDataAdapter.Fill(dsEmployees, "Employees");
• C.dsEmployees = oledbDataAdapter.Fill("Employees");
• D.sqlDataAdapter.Fill(dsEmployees, "Employees");

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