What is a prerequisite for FortiSIEM Linux agent installation?

What is a prerequisite for FortiSIEM Linux agent installation?
A . The web server must be installed on the Linux server being monitored
B. The auditd service must be installed on the Linux server being monitored
C. The Linux agent manager server must be installed.
D. Both the web server and the audit service must be installed on the Linux server being monitored

Answer: B