Which of the following is a rule of pest prevention?

Denying access into the building is a fundamental rule of pest prevention. By preventing pests from entering the premises, you significantly reduce the chances of an infestation. This can be achieved through measures such as sealing cracks and openings, installing screens on windows and vents, and ensuring that doors close properly. Maintaining a clean environment and minimizing entry points are critical components to keep pests out, which is essential for food safety in establishments like Starbucks.

The focus on denying access helps to create a proactive barrier against pests, thus protecting food items and contributing to the overall health and safety of both employees and customers.