Concentrix Technical Support Engineer interview questions

Total 4 rounds of interviews...HR round, versant round, technical round, ops round...technical round will have topics like Active directory, windows tools, firewall,antivirus, hub and routers etc.. All basic networking...scenario-based questions for troubleshooting the technical issues, like BSOD, how to check telnet, what is Sysinternals, device drivers and DHCP, TCP IP, OSI model, all 7 layers to explain, what is GPO, debugging tools in windows, types of malware.....types of OS, features of OS, types of class addressing, how to install OS, difference between gateway and hub, types of topology