When responding to a general question, make sure you only provide the information the interviewer has requested. They will ask a follow-up question if they need additional information or want to explore the topic in more detail. If you provide too much information or ramble during your answer, the interviewer may lose interest or suspect that you are not familiar with the topic and are fabricating your answer.

"CAN, which stands for Control Area Network, is an automotive standard serial asynchronous communication bus adopted by the Society of Automotive Engineers, also known as SAE. It supports distribution between real-time controllers embedded within an automotive control system and provides a high level of security. CAN protocol is often described as the set of rules for transmitting and receiving messages In a network of automotive electronic devices."