Traditional job interviews take the form of a conversation addressing key points that the employer is looking for within the role. Competency-based interview questions, also known as structured of behavioural interview questions target particular skills and behaviours, addressed through asking for specific examples.
Competency-based job interview questions are fairly simple to prepare for, as there are key areas that are analysed by interviewers. It is only a matter of preparing examples for key points that may be covered.