###BeginCaseStudy###
Case Study: 2
Web Application
Background
You are developing an online shopping web application.
Business Requirements
 A user is not required to provide an email address. If a user enters an email address,
it must be verified to be a valid email address.
 Information about the first product on the product page must fade out over time to
encourage the user to continue browsing the catalog.
 Administrators must be able to edit information about existing customers.
 Administrators also must be able to specify a default product on the product page.
Technical Requirements
General:
 The web store application is in a load-balanced web farm. The load balancer is not
configured to use server affinity.
 The web store application is an ASP.NET MVC application written in Visual Studio
2012.
Products:
 The value of the productId property must always be greater than 0.
 The Products page for mobile devices must display to mobile users. The Products
page for desktop devices must display to desktop users.
Storage:
 The data must be stored in a serialized XML data format.
 Serialized objects must be schema-independent.
Exception handling:
 Exceptions originating from IIS must display a page with support contact
information.
 Some page links expire, and users who access these links encounter 404 errors.
 Exceptions must be logged by using the WriteLog method of the Utility class.
Browser and device support:
 The application must support image format conversions from .bmp to .jpeg for
mobile devices.
 The application must support image format conversions from .bmp to .png for
desktop devices.
Application Structure

###EndCaseStudy###

You need to implement the business requirements for managing customer data.
What should you do? (Each correct answer presents part of the solution. Choose all that apply.)

###BeginCaseStudy###
Case Study: 2
Web Application
Background
You are developing an online shopping web application.
Business Requirements
 A user is not required to provide an email address. If a user enters an email address,
it must be verified to be a valid email address.
 Information about the first product on the product page must fade out over time to
encourage the user to continue browsing the catalog.
 Administrators must be able to edit information about existing customers.
 Administrators also must be able to specify a default product on the product page.
Technical Requirements
General:
 The web store application is in a load-balanced web farm. The load balancer is not
configured to use server affinity.
 The web store application is an ASP.NET MVC application written in Visual Studio
2012.
Products:
 The value of the productId property must always be greater than 0.
 The Products page for mobile devices must display to mobile users. The Products
page for desktop devices must display to desktop users.
Storage:
 The data must be stored in a serialized XML data format.
 Serialized objects must be schema-independent.
Exception handling:
 Exceptions originating from IIS must display a page with support contact
information.
 Some page links expire, and users who access these links encounter 404 errors.
 Exceptions must be logged by using the WriteLog method of the Utility class.
Browser and device support:
 The application must support image format conversions from .bmp to .jpeg for
mobile devices.
 The application must support image format conversions from .bmp to .png for
desktop devices.
Application Structure

###EndCaseStudy###

When users attempt to retrieve a product from the product page, a run‐time exception occurs if the
product does not exist.
You need to route the exception to the CustomException.aspx page.
Which method should you add to MvcApplication?

###BeginCaseStudy###
Case Study: 2
Web Application
Background
You are developing an online shopping web application.
Business Requirements
 A user is not required to provide an email address. If a user enters an email address,
it must be verified to be a valid email address.
 Information about the first product on the product page must fade out over time to
encourage the user to continue browsing the catalog.
 Administrators must be able to edit information about existing customers.
 Administrators also must be able to specify a default product on the product page.
Technical Requirements
General:
 The web store application is in a load-balanced web farm. The load balancer is not
configured to use server affinity.
 The web store application is an ASP.NET MVC application written in Visual Studio
2012.
Products:
 The value of the productId property must always be greater than 0.
 The Products page for mobile devices must display to mobile users. The Products
page for desktop devices must display to desktop users.
Storage:
 The data must be stored in a serialized XML data format.
 Serialized objects must be schema-independent.
Exception handling:
 Exceptions originating from IIS must display a page with support contact
information.
 Some page links expire, and users who access these links encounter 404 errors.
 Exceptions must be logged by using the WriteLog method of the Utility class.
Browser and device support:
 The application must support image format conversions from .bmp to .jpeg for
mobile devices.
 The application must support image format conversions from .bmp to .png for
desktop devices.
Application Structure

###EndCaseStudy###

You updated the web.config file with the HTTP run‐time value required to display an alternative
version of the site.
You need to ensure that the correct page displays to the users.
Which code segment should you use to update the controller?

###BeginCaseStudy###
Case Study: 2
Web Application
Background
You are developing an online shopping web application.
Business Requirements
 A user is not required to provide an email address. If a user enters an email address,
it must be verified to be a valid email address.
 Information about the first product on the product page must fade out over time to
encourage the user to continue browsing the catalog.
 Administrators must be able to edit information about existing customers.
 Administrators also must be able to specify a default product on the product page.
Technical Requirements
General:
 The web store application is in a load-balanced web farm. The load balancer is not
configured to use server affinity.
 The web store application is an ASP.NET MVC application written in Visual Studio
2012.
Products:
 The value of the productId property must always be greater than 0.
 The Products page for mobile devices must display to mobile users. The Products
page for desktop devices must display to desktop users.
Storage:
 The data must be stored in a serialized XML data format.
 Serialized objects must be schema-independent.
Exception handling:
 Exceptions originating from IIS must display a page with support contact
information.
 Some page links expire, and users who access these links encounter 404 errors.
 Exceptions must be logged by using the WriteLog method of the Utility class.
Browser and device support:
 The application must support image format conversions from .bmp to .jpeg for
mobile devices.
 The application must support image format conversions from .bmp to .png for
desktop devices.
Application Structure

###EndCaseStudy###

You need to implement client‐side animations according to the business requirements.
Which line of code should you use? (Each correct answer presents a complete solution. Choose all
that apply.)

###BeginCaseStudy###
Case Study: 2
Web Application
Background
You are developing an online shopping web application.
Business Requirements
 A user is not required to provide an email address. If a user enters an email address,
it must be verified to be a valid email address.
 Information about the first product on the product page must fade out over time to
encourage the user to continue browsing the catalog.
 Administrators must be able to edit information about existing customers.
 Administrators also must be able to specify a default product on the product page.
Technical Requirements
General:
 The web store application is in a load-balanced web farm. The load balancer is not
configured to use server affinity.
 The web store application is an ASP.NET MVC application written in Visual Studio
2012.
Products:
 The value of the productId property must always be greater than 0.
 The Products page for mobile devices must display to mobile users. The Products
page for desktop devices must display to desktop users.
Storage:
 The data must be stored in a serialized XML data format.
 Serialized objects must be schema-independent.
Exception handling:
 Exceptions originating from IIS must display a page with support contact
information.
 Some page links expire, and users who access these links encounter 404 errors.
 Exceptions must be logged by using the WriteLog method of the Utility class.
Browser and device support:
 The application must support image format conversions from .bmp to .jpeg for
mobile devices.
 The application must support image format conversions from .bmp to .png for
desktop devices.
Application Structure

###EndCaseStudy###

You need to implement client‐side animations according to the business requirements.
Which line of code should you use? (Each correct answer presents a complete solution. Choose all
that apply.)

###BeginCaseStudy###
Case Study: 2
Web Application
Background
You are developing an online shopping web application.
Business Requirements
 A user is not required to provide an email address. If a user enters an email address,
it must be verified to be a valid email address.
 Information about the first product on the product page must fade out over time to
encourage the user to continue browsing the catalog.
 Administrators must be able to edit information about existing customers.
 Administrators also must be able to specify a default product on the product page.
Technical Requirements
General:
 The web store application is in a load-balanced web farm. The load balancer is not
configured to use server affinity.
 The web store application is an ASP.NET MVC application written in Visual Studio
2012.
Products:
 The value of the productId property must always be greater than 0.
 The Products page for mobile devices must display to mobile users. The Products
page for desktop devices must display to desktop users.
Storage:
 The data must be stored in a serialized XML data format.
 Serialized objects must be schema-independent.
Exception handling:
 Exceptions originating from IIS must display a page with support contact
information.
 Some page links expire, and users who access these links encounter 404 errors.
 Exceptions must be logged by using the WriteLog method of the Utility class.
Browser and device support:
 The application must support image format conversions from .bmp to .jpeg for
mobile devices.
 The application must support image format conversions from .bmp to .png for
desktop devices.
Application Structure

###EndCaseStudy###

You need to configure session storage in the web.config file to meet the technical requirements for
scalability.
Which SessionState mode should you use? (Each correct answer presents a complete solution.
Choose all that apply.)

###BeginCaseStudy###
Case Study: 2
Web Application
Background
You are developing an online shopping web application.
Business Requirements
 A user is not required to provide an email address. If a user enters an email address,
it must be verified to be a valid email address.
 Information about the first product on the product page must fade out over time to
encourage the user to continue browsing the catalog.
 Administrators must be able to edit information about existing customers.
 Administrators also must be able to specify a default product on the product page.
Technical Requirements
General:
 The web store application is in a load-balanced web farm. The load balancer is not
configured to use server affinity.
 The web store application is an ASP.NET MVC application written in Visual Studio
2012.
Products:
 The value of the productId property must always be greater than 0.
 The Products page for mobile devices must display to mobile users. The Products
page for desktop devices must display to desktop users.
Storage:
 The data must be stored in a serialized XML data format.
 Serialized objects must be schema-independent.
Exception handling:
 Exceptions originating from IIS must display a page with support contact
information.
 Some page links expire, and users who access these links encounter 404 errors.
 Exceptions must be logged by using the WriteLog method of the Utility class.
Browser and device support:
 The application must support image format conversions from .bmp to .jpeg for
mobile devices.
 The application must support image format conversions from .bmp to .png for
desktop devices.
Application Structure

###EndCaseStudy###

You need to update the routes to ensure that a product is always displayed on the product page.
Which code segment should you use?

###BeginCaseStudy###
Case Study: 2
Web Application
Background
You are developing an online shopping web application.
Business Requirements
 A user is not required to provide an email address. If a user enters an email address,
it must be verified to be a valid email address.
 Information about the first product on the product page must fade out over time to
encourage the user to continue browsing the catalog.
 Administrators must be able to edit information about existing customers.
 Administrators also must be able to specify a default product on the product page.
Technical Requirements
General:
 The web store application is in a load-balanced web farm. The load balancer is not
configured to use server affinity.
 The web store application is an ASP.NET MVC application written in Visual Studio
2012.
Products:
 The value of the productId property must always be greater than 0.
 The Products page for mobile devices must display to mobile users. The Products
page for desktop devices must display to desktop users.
Storage:
 The data must be stored in a serialized XML data format.
 Serialized objects must be schema-independent.
Exception handling:
 Exceptions originating from IIS must display a page with support contact
information.
 Some page links expire, and users who access these links encounter 404 errors.
 Exceptions must be logged by using the WriteLog method of the Utility class.
Browser and device support:
 The application must support image format conversions from .bmp to .jpeg for
mobile devices.
 The application must support image format conversions from .bmp to .png for
desktop devices.
Application Structure

###EndCaseStudy###

The GetDealPrice method must be called by using Ajax.
You need to get the price of a product by using the GetDealPrice method of the ProductController.
Which code segment should you use? (Each correct answer presents a complete solution. Choose all
that apply.)

###BeginCaseStudy###
Case Study: 2
Web Application
Background
You are developing an online shopping web application.
Business Requirements
 A user is not required to provide an email address. If a user enters an email address,
it must be verified to be a valid email address.
 Information about the first product on the product page must fade out over time to
encourage the user to continue browsing the catalog.
 Administrators must be able to edit information about existing customers.
 Administrators also must be able to specify a default product on the product page.
Technical Requirements
General:
 The web store application is in a load-balanced web farm. The load balancer is not
configured to use server affinity.
 The web store application is an ASP.NET MVC application written in Visual Studio
2012.
Products:
 The value of the productId property must always be greater than 0.
 The Products page for mobile devices must display to mobile users. The Products
page for desktop devices must display to desktop users.
Storage:
 The data must be stored in a serialized XML data format.
 Serialized objects must be schema-independent.
Exception handling:
 Exceptions originating from IIS must display a page with support contact
information.
 Some page links expire, and users who access these links encounter 404 errors.
 Exceptions must be logged by using the WriteLog method of the Utility class.
Browser and device support:
 The application must support image format conversions from .bmp to .jpeg for
mobile devices.
 The application must support image format conversions from .bmp to .png for
desktop devices.
Application Structure

###EndCaseStudy###

HOTSPOT
You need to implement the mobile device support requirements.
How should you build the ProcessRequest method? (To answer, select the appropriate options in the
answer area.)

###BeginCaseStudy###
Case Study: 2
Web Application
Background
You are developing an online shopping web application.
Business Requirements
 A user is not required to provide an email address. If a user enters an email address,
it must be verified to be a valid email address.
 Information about the first product on the product page must fade out over time to
encourage the user to continue browsing the catalog.
 Administrators must be able to edit information about existing customers.
 Administrators also must be able to specify a default product on the product page.
Technical Requirements
General:
 The web store application is in a load-balanced web farm. The load balancer is not
configured to use server affinity.
 The web store application is an ASP.NET MVC application written in Visual Studio
2012.
Products:
 The value of the productId property must always be greater than 0.
 The Products page for mobile devices must display to mobile users. The Products
page for desktop devices must display to desktop users.
Storage:
 The data must be stored in a serialized XML data format.
 Serialized objects must be schema-independent.
Exception handling:
 Exceptions originating from IIS must display a page with support contact
information.
 Some page links expire, and users who access these links encounter 404 errors.
 Exceptions must be logged by using the WriteLog method of the Utility class.
Browser and device support:
 The application must support image format conversions from .bmp to .jpeg for
mobile devices.
 The application must support image format conversions from .bmp to .png for
desktop devices.
Application Structure

###EndCaseStudy###

You need to modify the application to meet the productId requirement.
Which code segment should you use?