Can we use Git without GitHub? What is the difference between Git and GitHub? Where does Git store data? Is basic email registration through JavaScript sufficient for security purposes? What are the alternatives? Explain the difference between sessions and cookies. Can we use sessions without cookies? Define encryption and hashing. What is salt in hashing? Suppose your site is experiencing high traffic, causing lag. How would you manage it to reduce server load? Explain horizontal and vertical scaling. In Linux, how can you check which process or application is consuming the most storage/memory and how can you remove it? How do you terminate a running process? Which process is utilizing the most resources? What is a Docker volume? Differentiate between an image and a container in Docker. How would you take backups of your servers?
