Final answer:
Defining a Reboot endpoint in the Image Verifier service helps address the situation where the hosting server may crash.
Step-by-step explanation:
The reason to define a Reboot (reset) endpoint in the Image Verifier service is to address the situation where the hosting server may crash (B). By defining a Reboot endpoint, the service can be restarted in case of a server crash, ensuring that it is up and running again. This helps in maintaining the availability and reliability of the service.