During the interview for a quality assurance engineer's role at Palo Alto Networks, the interviewer will ask you many different questions about your knowledge, expertise, and experience. These will include questions about specific processes and procedures you use to do your job. You can prepare for these questions and anticipate them by first reviewing the job posting to fully understand the requirements and the description of the responsibilities they provide. You should also review your resume before an interview so you're familiar with what the interviewer knows about your qualifications. In addition to researching Palo Alto Networks, the last suggestion for preparing is reviewing how you go about performing your job and what methodologies you have used in your most recent and former positions.