Topic 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
You need to ensure that new customers enter a valid email address.
Which code should you use? (Each correct answer presents part of the solution. Choose all that apply.)
A . Option A
B . Option B
C . Option C
D . Option D
Answer: A, D
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