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

1. You are designing a user input form that is part of an ASP.NET Web Forms application. You need to ensure that users cannot attack the Web server by submitting invalid data. Which approach should you recommend?

A) Write an On Click method for the Submit button that rejects form submissions that contain invalid data
B) Write an on Submit JavaScript handler that URL-encodes all data that is passed to the server.
C) Write an on Submit Java Script handler that validates all form input
D) Install a certificate on the Web server, and force all Web traffic to use SSL.

2. You are designing an ASP.NET Web application that displays daily sales information. The sales information is stored in a large Microsoft SQL Server database. The database
information is updated each night. During the day, people use the Web application to display a set of standard sales reports based on the latest database information.
The SQL queries that are required to retrieve the database information can take from 20 to 30 seconds to execute.
You need to design the application to ensure that pages usually load in no more than 5 seconds.
Which two approaches could you recommend? (Each correct answer presents a complete solution. Choose two.)

A) Use a service that proxies the database queries and caches the results
B) Use SQL Server replication
C) Use AJAX to retrieve the database information
D) Use a control that retrieves and displays the database information

3. You are evaluating an ASP.NET Web application that includes three methods:
You need to recommend an approach for maximizing server throughput.
What should you recommend?

A) Synchronous processing for the GetData() and WriteData() methods.
B) Asynchronous processing for the GetOata() and Calculate() methods.
C) Synchronous processing for the WriteData() and Calculate() methods.
D) Asynchronous processing for the GetData() and WriteData() methods.

4. You are redesigning an existing three-tier ASP.NET Web application that is deployed to a Web server, an application server, and a database server that runs Microsoft SQL Server 2008.
Usage has increased significantly. The application has become slow and occasionally times out.
Health monitoring logs indicate that the data access logic on the application server is consuming the majority of the CPU resources.
You need to recommend an approach for addressing the scalability and reliability issues.
Which two actions should you recommend? (Each correct answer presents part of the solution. Choose two.)

A) Move the Web tier to a Web farm.
B) Move the application tier to a Web farm.
C) Partition the tables and indexes in the database.
D) Use a clustered database server configuration.

5. You need to design a solution for calling a server-side method of the code-behind file from JavaScript.
Which approach should you recommend?

A) Use Page Methods.
B) Use an Update Progress control.
C) Configure the server-side method to return a JsonResult.
D) Use an Update Panel control.

Solutions: