Which of the following statements is true about health scores in assurance?

a. the latest health score calculates every 5-minutes for devices, clients, and applications.
b. the health score range for clients (wired and wireless) is from 0–10, and a healthy client has a score that ranges from 5–10.
c. the overall health of applications is a percentage that is calculated by taking the total number of all healthy applications divided by the total number of applications.
d. the health score calculation for network devices cannot be customized.