During an interview, the interviewer can ask you a wide range of questions about any device, system, software, application, or other aspects of an information technology environment. While it is impossible to know about everything you may encounter while supporting an IT operation, you should have a general knowledge about the items you work with, how to interact with them, their properties, and what issues can occur with them. If you don't know the answer, admit this, and then describe how you would research and locate the information you need.
