You are developing a library to support multiple ASP.NET MVC web applications on a shared server. The
library provides implementations of security algorithms. If a problem with any of the security algorithms is
discovered, a new version of the library must be created and deployed. Application downtime during theupdate
must be minimized. You need to ensure that the new version of the library will be used by all applications as
soon as possible. What should you do?

You are developing an application in Visual Studio 2012 to display student information. The application
contains the following Entity Framework model.

The application contains a WCF data service named DirectoryService.svc. You need to create a query
expression to display all of the grades for students whose first name is “John” How should you build the
expression?

You are developing an ASP.NET MVC application that reads and writes data from a SQL Server database.
You need to prevent the application from reading data that is locked by other transactions. You also need to
prevent exclusive range locks. Which isolation level should you use?

You are developing a WCF service that compares several data sources. The service takes a long time to
complete. The service must meet the following requirements:
The client must be able to continue processing while the service is running.
The service must initiate communication with the client application when processing is complete.
You need to choose a message pattern to meet the requirements. Which message pattern should you
choose?

You are developing a WCF service. A new service instance must be created for each client session. You need
to choose an instancing mode. Which instance mode should you use?

You are developing a WCF service. A new service instance must be created for each client request. You need
to choose an instancing mode. Which instancing modeshould you use?

DRAG DROP
You are developing a WCF service. You need to implement transport security by using NTLM authentication
and NetTcpBindings. Which configuration values should you use? (To answer, drag the appropriate
configuration values to the correct location or locations in the answer area. Each configuration valuemay be
used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view
content.)

You are designing an ASP.NET Web API application. You need to select an HTTP verb to allow blog
administrators to remove a comment. Which HTTP verbshould you use?

You are developing an ASP.NET MVC application. The application is an order processing system that usesthe
ADO.NET Entity Framework against a SQL Server database. It has a controller that loads a page that displays
all orders along with customer information. Lazy loading has been disabled. The Order class is shown below.

You need to return the orders and customer information in a single round trip to the database. Which code
segment should you use?

You are developing an ASP.NET MVC application that reads and writes data from a SQL Server database.
You need to maintain data integrity in all situations that use transactions.