NVIDIA Systems Software Engineer interview questions

written test followed by two technical interview and one HR round.

First HR contacted me, then there is the first phone interview asking project experience and background, with a simple string swapping question, explain virtual memory, later it's the second interview, asking project experience and background again, explain virtual memory again, simple lnked list add/remove question, then on-site interview, 6 interviewer, 45 minutes each, I explained my project experience 6 times, with algorithm, data structure, virtual memory, CPU cache, debugging questions.