For which two purposes would you use the command set log checksum? (Choose two.)

For which two purposes would you use the command set log checksum? (Choose two.)
A . To help protect against man-in-the-middle attacks during log upload from FortiAnalyzer to an SFTP server
B . To prevent log modification or tampering
C . To encrypt log communications
D . To send an identical set of logs to a second logging server

Answer: AB