HOTSPOT
You are supporting an application that uses the ADO.NET Entity Framework to query and
access data. The latest version of Entity Framework contains bug fixes that will improve
performance. You need to update Entity Framework. Which Visual Studio 2012 menu item
should you choose? (To answer, select the appropriate menu item in the answer area.)
Answer: 
I have doubts about this question, i think that is possible ‘Extension Manager’
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why not we use package manager here? Why Extension Manager?
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http://weblogs.asp.net/scottgu/visual-studio-2010-extension-manager-and-the-new-vs-2010-powercommands-extension
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Entity Framework is supplied through NuGet – i.e. Library Package Manager.
If the question would ask about some new project templates for Visual Studio – then the answer would be Extension Manager (or “Extensions and Updates” as it is now called in the latest Visual Studio)
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Why provide a link to Extension manager in VS2010. Extension manager was the old way (which I liked), Nuget is the new way (as of vs2012) which is OK when it works.
The answer is undeniably Library Package Manager. Anyone who says differently doesn’t work with Entity Framework in VS2012 or better.
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