[header] How to write a complaint letter about a job interview [title] Memorize illegal interview questions. [step] Many countries and municipalities regulate the kinds of questions that can legally be asked of job applicants. Your age, race, religion, ethnicity, health status, family status, sexual identity, and arrest record might all be protected categories that cannot be used against you in a job interview. 
However, as many as 20% of interviewers have asked an illegal question of a job applicant. Be sure that you are aware of your municipality's regulations, ideally in advance of a job interview.