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Microsoft Designing & Developing Web Apps Using MS .NET Frmwk 4 Sample Questions:

1. You are designing an ASP.NET Web application for online image editing.
Users can upload images to the Web application and edit those images by using utilities provided by the application. Some utilities are processor intensive and should be offloaded to a Graphics Processing Unit (GPU). Other utilities require the use of proprietary algorithms that must be performed on the server.
You need to design a solution for minimizing bandwidth usage and Web server response times during image processing, while providing a responsive application.
Which two approaches should you recommend? (Each correct answer presents part of the solution. Choose two.)

A) Perform client-side image processing by using ASP.NET AJAX.
B) Perform client-side image processing by using Microsoft Silver light.
C) Perform server-side image processing on the Web server
D) Perform server-side image processing on a dedicated server.

2. You are designing an ASP.NET Web application that will be deployed both to a server that
runs IIS 6 and to a server that runs IIS 7.0.
The Web application must meet the following requirements:
You need to recommend an approach for handling errors.
What should you recommend?

A) In the customErrors element of the Web.config file, set the mode attribute to on.
B) Create an error handler for the HttpApplication.LogRequest event.
C) In the customErrors element of the Web.config file, set the defaultRedirect attribute to errors.htm.
D) Create an error handler for the Application_Error event.

3. You are designing an ASP.NET Web application that will be accessed by local intranet users. The Web application will store temporary data files locally. The Web server is running IIS 7.5.
You have the following requirements:
Temporary data file ownership must be set to the user account.
Temporary data files stored locally must be accessible only to the authenticated user.
You need to recommend an approach for securing the temporary data files.
Which two actions should you recommend? (Each correct answer presents part of the solution. Choose two.)

A) Set the Load User Profile setting to True in the application pool configuration.
B) Enable ASP.NET impersonation.
C) Set the default role provider to the WindowsTokenRoleProvider class.
D) Enable Windows authentication.

4. You are designing an ASP.NET Web application to manage and display sensitive information stored in a Microsoft SQL Server database. The database also provides authorization information for users.
All Web pages that display sensitive information require an authenticated login.
There is no visitor access to these pages.
You have the following requirements:
You need to design a data access and authorization solution.
Which approach should you recommend?

A) Use stored procedures.
B) Use a WCF service.
C) Use a separate library.
D) Use SQL XML Services.

5. 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 On Click 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) Write an on Submit JavaScript handler that URL-encodes the password before the password is passed to the server.
C) Write an on Submit JavaScript handler that hashes the password before the password is submitted to the server.
D) Install a certificate on the Web server, and force the login form to use SSL.

Solutions: