Preguntas de entrevista para ARCON TechSolutions

I applied for a job on a job portal. Got an HR call asking basic questions like are you available? Do you know the technology? Then set an interview with a specialist technical person. selected for round one

Round 1 - Some apti questions mostly DI, geometry question which are in 10th std. Round 2 - Consists of 3 interviews 1st interview - Normal SQL and CN questions 2nd interview - Complete based on CN and scenario based like TCP/IP protocol, SMTP, DNS, DHCP, http, troubleshooting, If I opened a website and for some users its showing error and some are not able to open the url how you tackle, Downloading an app and its not able to download in your device what will you do?