70-483 試験問題を無料オンラインアクセス

You need to write a method that retrieves data from a Microsoft Access 2013 database.
The method must meet the following requirements:
* Be read-only.
* Be able to use the data before the entire data set is retrieved.
* Minimize the amount of system overhead and the amount of memory usage.
Which type of object should you use in the method?

• A.DbDataAdapter
• B.OleDbDataReader
• C.DataContext
• D.SqlDataAdapter

You are implementing a method named ProcessReports that performs a long-running task. The ProcessReports() method has the following method signature:
public void ProcessReports(List<decimal> values,CancellationTokenSource cts, CancellationToken ct) If the calling code requests cancellation, the method must perform the following actions:
* Cancel the long-running task.
* Set the task status to TaskStatus.Canceled.
You need to ensure that the ProcessReports() method performs the required actions.
Which code segment should you use in the method body?

• A.throw new AggregateException();
• B.ct.ThrowIfCancellationRequested() ;
• C.cts.Cancel();
• D.if (ct.IsCancellationRequested)
  return;

You are creating an application that manages information about zoo animals. The application includes a class named Animal and a method named Save.
The Save() method must be strongly typed. It must allow only types inherited from the Animal class that uses a constructor that accepts no parameters.
You need to implement the Save() method.
Which code segment should you use?

• A.Option C
• B.Option D
• C.Option B
• D.Option A

You are building an application in Microsoft Visual Studio 2013.
You have the following code.

For each of the following statements, select Yes if the statement is true. Otherwise, select No.

正解：

You have a C# application.
The application requires 500 MB of available memory.
You need to identify whether there is enough available memory when the application starts.
Which class should you use?

• A.OutOfmemoryException
• B.MemoryStream
• C.PerformanceCounter
• D.DiagnosticsConfigurationHandler