Recruiter call: What does SQL stand for? Tell me about the data structures you know. Technical round: It was a linked list question in Java. Try to find a cycle inside the linked list. Example: A -> B ->B -> C (the repeating B is the cycle) Second part of technical: "There is one monitor per 100 servers and the customer wants to scale up to a 100,000 servers. An issue arises when servers keeps registering as offline. But when you go to check, it its online. How would you go about fixing this? " Try you best with this question and ask questions to gain more info on how to proceed. We never got to the answer so I can't help you there.