They used to pass you to a few teams that you might be a fit for. Each interviewer is tasked with a specific thing, thought process, technical depth etc. Make sure you have your basics at the top of your mind. Osi model, open protocols and mpls. If you bring some scripting skills to the table, you might get a shot. If you can pick look for the azure team that does the work on the wan. Those guys were tuff when I talked to them. I didnt make it but I'm hoping you do. Good luck.