Interview Questions on Concurrency, GCD, Operation Queue | Swift (Mastering Concurrency in iOS - 6)

This is the part 6 of the series "Mastering Concurrency in iOS", and in this part, I've focused on interview questions related to Concurrency.
Being a good developer and cracking the interviews are two different things and requires different skill sets, different preparation. In this video, I've tried to compile the frequently asked questions on Concurrency, their answers and how to prepare for them.