Can you explain what a Vertex Buffer Object is?

As the interview progresses, you should start to better understand what is critical to the organization and the type of skills and experience they're looking for in the developers they hire. This will enable you to focus your answers on these criteria to demonstrate your qualifications for the role. Practicing questions like these will prepare you to perform better during the interview. They help you to build your confidence and focus on the information critical to the organization instead of being worried about how you are performing. This increases the chances of you being offered the job.

"Vertex Buffer Object is a feature of OpenGL. It is a method for uploading vertex data to the video device for non-immediate mode rendering. Buffering the data makes it available for rendering and reduces the lag time of the game. This provides a better user experience."