Microsoft
70-518 · Question #57
70-518 Question #57: Real Exam Question with Answer & Explanation
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Question
You are developing an application by using Microsoft .NET Framework 4 and Microsoft Visual Studio 2010. The application contains a grid that displays customer data stored in a database table. Users report that the grid takes a long time to display. You plan to implement data caching to improve loading time for the grid. You need to ensure that the cached data expires when the customer data is updated. What should you do?
Options
- ACacheDependency class: it's a filewatcher one => out
- BRuntime.Caching.SqlChangeMonitor: class Monitors changes to a database.
- CUse the ADO.NET Entity Framework: I wouldn't advise it (caching Entity). The ObjectContext
- DUse a static variable to store the Grid object: Won't help to impove loading time => out
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