⟩ Technical Knowledge based Service Engineer Interview Questions
► What is a 3-way handshake? Hint: TCP uses it.
► How do TCP/IP networks work?
► How does DNS work? Have you ever had DNS go down? When should you have backup DNS - have you ever had to set this up for a website?
► How does traceroute work?
► You have a MySQL DB, once you login how could you find out the schema of the db? (or any other set of basic SQL commands)