People Tech Group Interview Question

How do you handle remote support? What is the difference between a router and a switch? What is the difference between HTTP and HTTPS? What is the difference between a web server and an application server? What is virtualization, and how does it work? What is cloud computing, and how does it differ from traditional hosting? What is the difference between a firewall and a proxy server? What is the difference between symmetric and asymmetric encryption? What is the difference between a vulnerability and an exploit? What is a SQL injection attack, and how can it be prevented?