Intel Corporation Software Developer interview questions

Was a personal referral. I had a 1:1 with hiring manager in a coffee shop to see if there's a match. later was invited to 2 hours of technical interview with 4 senior engineers and managers. usually interviews are as follows: 1-2 hour technical interview with 2 software engineers 1-2 hours technical interview with hiring manager and senior engineers

phone interview, then onsite interview, Onsite interview, I was introduced to a conference room, and people from different site ( local, and other locations) will call in to interview.