1> Tell me about yourself 2> Tell me about project your working and your contribution in the project 3> Difference between weak and unowned 4> How call get landed on device when its not active 5> How calling and messaging is handled in your project 6> What is use of ScrollView content size method 7> What is reusable identifier and what is its use 8> Explain VIPER design pattern 9> Difference between escaping and non-escaping closer 10> What is difference between Array and NSArray 11> What is defer keyword and its use 12> Where you have used unowned 13> What is Protocol- Composition and Protocol-Extension 14> What are access specifiers in swift 15> What is difference between Open and Public 16> What is difference between private and filePrivate 17> What is Optional binding and optional chaining 18> What is difference between static and dynamic framework 19> How you add your own framework in pods 20> What is Codable protocol 21> What is drawback of Codable protocol 22> What are drawBacks of VIPER design pattern 23> What is constraints and its use 24> What is difference between content Hugging and Compression- Resistance 25> What is XCTAssert in Unit Testing 26> Have you worked on UITesting 27> What is universal Link 28> What is App thinning 29> How you will achieve App thinning 30> Find pairs of colours in given array - [1,2,1,3,4,2,1] 31> What is autoReleasePool , when to use it ? 32> How memory management happen in iOS 33> How reference count works in iOS 34> Difference between Struct and Class 35> What is the difference between GCD and OperationQueue 36> What is Protocol Oriented Programming language