Can you provide me a list of some of the devices you use in your hardware designs?

When interviewing for a Cisco senior hardware engineer role, you will be asked a wide variety of questions involving various design topics. The best way to prepare for these questions is to review the job description and Cisco's website. This will provide information about the type of design work you will be expected to do and the equipment that Cisco either designs or uses. Once you know this, you can answer the interviewer's questions within the context of their operations. This will make it more likely that you'll you perceived as the perfect candidate for the position.