In smart roaming, which of the following methods to identify sticky terminals is correct?

In smart roaming, which of the following methods to identify sticky terminals is correct?
A . When the results of 3 consecutive detection cycles are less than the set roaming threshold
B. When the results of 3 consecutive detection cycles are greater than the set roaming threshold
C. When the results of 6 consecutive detection cycles are less than the set roaming threshold
D. When the results of 6 consecutive detection cycles are greater than the set roaming threshold

Answer: A