Intel Corporation Firmware Engineer interview questions

I applied on the Intel careers website. I had Technical Phone interviews followed by onsite interviews. There were seven one on one interview sessions, each lasted for 45 minutes. They mostly touched C and C++ programming questions and basics of operating systems and physical layer communication methods.

Round 1 telephonic this is a round to assess if the skill set matches Round 2 technical c data structures puzzles , this is split into multiple sub rounds with team members Round 3 in depth on specialized area Round 4 HR and salary negotiations