With default settings for multi cluster warehouse, how does snowflake determines when to start a new cluster?

With default settings for multi cluster warehouse, how does snowflake determines when to start a new cluster?
A . Immediately when either a query is queued or the system detects that there’s one more query than the currently-running clusters can execute
B. Only if the system estimates there’s enough query load to keep the cluster busy for at least 6 minutes.
C. Only if the system estimates there’s enough query load to keep the cluster busy for at least 4
minutes.

View Answer

Answer: A

Explanation:

https://docs.snowflake.com/en/user-guide/warehouses-multicluster.html#setting-the-scaling-policy-for-a-multi-cluster-warehouse