There were four technical interview rounds. The questions were not difficult if one knows their way around development in testing. Everything went well, at least from my end. However, the whole process was hectic and took a lot of time and energy from my schedule. The kind of work that is done practically in your daily job does not concern them. Their interest lies only in array questions. It doesn't affect them how technically viable you are, and they are not interested in asking questions about the latest technological advancements in Automation and DevOps. It was a blow to me that they rejected me on some unknown grounds because I cannot recall any question I was unable to answer, be it OS, DS, Arrays, Puzzles, test scenarios, or any other question.

Arrays

Programs

Puzzle

OS Concepts