Microsoft Software Engineer Internship interview questions

Started with resume screening. Next round was Online Assessment, 2 questions were given, I solved both. Next round was technical round in which I was asked to solve 2 DSA questions, solved both. Next round was with manager, very difficult, asked questions from various fronts, including core CS subjects, including low-level design question.

Applied online through referral, 2 months later got a OA. after another 2 months got invited for an online interview day consisting of 3 interviews back to back. received an offer a week later. All the Interviews consisted of introductions, questions regarding prier experience/school projects and Leetcode style coding questions