Mindbody Senior IOS Developer interview questions

Assessment: you will be given the API link for countries list and there province. You have to make application to show list and details of country. Following the Design architecture , Unit testing , First Technical Round: 1> Reverse a string within round bracket and keep remaining as it is. 2> Find the last index of 1 in the array of 1's and 0's 3> print employee and its direct and indirect team for a given employee ex; CEO, Manager, Lead Second Technical Round: 1> There are how many NSManagedContext at a time 2> Can we pass NSManagedObjectContext to different thread 3> What are different way to handle Coredata operation concurrently
4> What is difference between AppID and Bundle ID 5> What tool you use to check test coverage 6> what is process to upload application to appstore 7> How you get analytics from Appstore 8> How you will you fix the crash happing in the production build but not on your side 9> Can we share build using TestFlight for testing 10> What re steps to upload the application to Appstore 11> What are advantages of using MVVM over MVC 12> Which is the fastest sorting mechanism 13> Why is merge sort is lowest complexity sorting algorithm 14> When to use bubble sort 15> What are the different type of recursion etc.