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This tutorial zooms in on an important topic for anyone working with Core Data, faulting. Faulting is a concept that often confuses developer new to Core Data. Before I explain what faulting is, I want to show it to you.

Earlier this month, I wrote about Core Data faults. Faulting is a key concept of the Core Data framework. It is because of faulting that Core Data is as performant as it is and it ensures Core Data's memory footprint remains at an acceptable level.