Majority of these questions seem to be Trivia, which can be looked up. I don't see any need to learn them. They are probably nice to know but are not helpful in objectively evaluating a developers iOS skills. The important thing while talking to candidates is evaluating their understanding of technical concepts - like multithreading, GCD vs NSOperations, application lifecycle, properties, references, blocks, memory m…
agreed. Some are just names. It is kind to ask a technical writer if he is qualified for keeping up with the new trend.