HOTSPOT
You are supporting an application that uses the ADO.NET Entity Framework to query and access data.
The latest version of a tool will add new templates and wizards that will enhance developer productivity.
You need to update the tool.Which Visual Studio 2012 menu item should you choose? (To answer, select the appropriate menu item
in the answer area.)
Answer: 
in Extension and Updates you can find a gallery with templates
Extension and Updates?
Add in manager is deprecated in vs 2013. https://msdn.microsoft.com/en-us/library/xwdatdwh.aspx
I think it is extension and updates. Firstly, the questions asks about TOOLS not library. Secondly, there is “Entity Framework tools for VS” which is VS extension. Thirdly, “will add new templates and wizards” nuget doesn’t add wizards (at least I’ve never seen that).