PwC Salesforce Developer interview questions

PwC came to our college campus for placements. There were 4 rounds. Group discussion, technical round, managerial + technical round and HR round. Group discussion was basically a debate between two teams and the other rounds were as expected.

The interview seemed like he didn’t know what he was asking or didn’t even know if it was actually possible. He just asked so many random questions, example: he asked me if I knew batch classes and I said yes and he went on to ask me about communities, nothing about batch classes. The whole experience was very weird for me