During an interview for an application analyst's position, most of the questions will be technical. You'll be asked about the wide range of technologies, applications, and information technology processes and practices. The best way to be prepared for this is to review these topics before the interview so they are top of mind. Researching the job posting and the company will give you insight into the types of technologies the employer uses and that you are expected to know about. If you're unfamiliar with the technology they are asking you about, admit it, and then describe how you would go about locating the answer.