LinkedIn Software Engineer interview questions

Had the beggining of the call with OS fundamentals on thread vs process, process synchronisation and the screening 2 Leetcode questions - 1 easy on Tree and 1 Difficult on backracing

Technical Interview round one they asked pros vs .cons of different cache'ing methods, a leetcode medium question about undirected graphs and finding connected groups, a question about difference between a thread and a process. Helpful interviewer who was willing to give some basic hints and interactive in discussion around leetcode optimization and solution