General CS questions were about algorithms, memory, Linucs ect. C# questions: OOP, difference in ref/out, async, threads, code reading ect. SQL questions: UNION, COALESCE, aliases, DML ect. Questions are relatively easy, but time limit is awful! 20 sec for easy questions and 60 sec for hard once, but time doesn't depend on question volume. So, you can have 20 seconds to analyze a code snippet which doesn't fit in into one screen. It's even harder, if you read slowly. Especially in a language that is not your mother tongue.
