DNS DHCP IPsec SSL handshake OSI model Troubleshooting latency Go through all the basic networking questions and network security is a plus. If you have a Palo Alto knowledge it is a plus if not it's fine

The selection process consisted of four distinct rounds. The first round involved resume screening, where candidates' qualifications and experiences were evaluated. The second round was a group discussion (GD) to assess communication and teamwork skills. The third round focused on communication abilities. Finally, the fourth round was a technical interview that tested candidates' knowledge on basic networks, network topologies, HTTPS protocols, firewalls, DNS configurations, and MySQL databases.