It was tough, mostly technical. The interviewer's voice was feeble. I was asked about DMZ which means In computer security, a DMZ or demilitarized zone is a physical or logical subnetwork that contains and exposes an organization's external-facing services to an untrusted, usually larger, network such as the Internet.

The process had 3 rounds. 1st and 2nd was technical. Basics were tested. 3rd was a case study round which expects you to be thorough and have good communication skills.