What happens when a log file saved on FortiAnalyzer disks reaches the size specified in the device log settings?

What happens when a log file saved on FortiAnalyzer disks reaches the size specified in the device log settings?
A . The log file is stored as a raw log and is available for analytic support.
B . The log file rolls over and is archived.
C . The log file is purged from the database.
D . The log file is overwritten.

Answer: B