70-523 무료 덤프문제 온라인 액세스

You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The application uses the ADO.NET Entity Framework to model entities. The application allows users to make changes while disconnected from the data store. Changes are submitted to the data store by using the SubmitChanges method of the DataContext object. You receive an exception when you call the SubmitChanges method to submit entities that a user has changed in offline mode. You need to ensure that entities changed in offline mode can be successfully updated in the data store. What should you do?

• A.Call the SaveChanges method of DataContext with a value of false.
• B.Set the ObjectTrackingEnabled property of DataContext to true.
• C.Set the DeferredLoadingEnabled property of DataContext to true.
• D.Call the SubmitChanges method of DataContext with a value of System.Data.Linq.ConflictMode. ContinueOnConflict.

You need to design a deployment solution for the rewritten Web application. Which approach should you recommend?

• A.Use MSDeploy and FTP.
• B.Use DB Deployment and FTP.
• C.Use DB Deployment and One-Click Publishing.
• D.Use MSDeploy and One-Click Publishing.

Windows Communication Foundation (WCF) application uses a data contract that has several data members. You need the application to throw a Serialization Exception if any of the data members are not present when a serialized instance of the data contract is deserialized. What should you do?

• A.Set the IsRequired property of each data member to true.
• B.Set the Emit Default Value property of each data member to false.
• C.Add the Known Type attribute to the data contract.Set the Order property of each data member to unique integer value.
• D.Add the Known Type attribute to the data contract.Set a default value in each of the data member declarations.

You are designing an ASP.NET Web Forms application that uses a database containing user names and
hashed passwords for authentication. The Web application includes a login form in which users type their
user names and passwords.
You need to design a strategy to ensure that the user's login credentials cannot be stolen through a man-
in-the-middle attack.
Which approach should you recommend?

• A.Write an OnClick method for the Submit button that hashes the password before the password is compared with the password value that is stored in the database.
• B.Install a certificate on the Web server, and force the login form to use SSL.
• C.Write an onSubmit JavaScript handler that hashes the password before the password is submitted to the server.
• D.Write an onSubmit JavaScript handler that URL-encodes the password before the password is passed to the server.

You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The application uses the ADO.NET Entity Framework to manage customer and related order records. You add a new order for an existing customer. You need to associate the Order entity with the Customer entity. What should you do?

• A.Call the Add method on the EntityCollection of the Order entity.
• B.Use the AddObject method of the ObjectContext to add both Order and Customer entities.
• C.Set the Value property of the EntityReference of the Order entity.
• D.Use the Attach method of the ObjectContext to add both Order and Customer entities.