NVIDIA Systems Engineer interview questions

The panel consisted of 3 persons. They asked me to introduce myself and we discussed projects, which lasted about 20 minutes . then the question related to Operating Systems and 2 coding questions on LinkedList and arrays .which were LeetCode medium level. Then they asked various questions about OOPs , relate to class , object , polymorphism ,inheritance, abstraction , access modifiers , virtual , friend , static keyword. The difference between class and structure , Enum and constant .Then the interviewer asked me if I had some queries.