I have attended 2 rounds , first round asked c++ question and question on linked list and threading concept , as i am c++ developer second round taken by non c++ person , asked me producer consumer problem i have implemented and explain him using thread he is not able to understand c++ code and doesn't know about basic of iterator functionality of Queue and stl api . got really disappointed request to hr please assign interview panel with there skill set if person doesn;t have idea on and you assign panel he will asked some nonsense stuff . request to all dont waste time in there process they are not serious about hiring person .