What is one of the key benefits of the FortiGuard IP reputation feature?

What is one of the key benefits of the FortiGuard IP reputation feature?
A . It maintains a list of private IP addresses.
B . It provides a document of IP addresses that are suspect, so that administrators can
manually update their blacklists.
C . It is updated once per year.
D . It maintains a list of public IPs with a bad reputation for participating in attacks.

Answer: D

Explanation:

FortiGuard IP Reputation service assigns a poor reputation, including virus-infected clients and malicious spiders/crawlers.

Reference: https://docs.fortinet.com/document/fortiweb/6.1.1/administration-guide/137271/blacklisting-whitelisting-clients