Which features are only available on FortiWeb when compared to Fortinet Managed Rules for AWS WAF?

Which features are only available on FortiWeb when compared to Fortinet Managed Rules for AWS WAF?
A . FortiWeb meets PCI 6.6 compliance.
B . FortiWeb can scan web application vulnerabilities.
C . FortiWeb provides a WAF subscription (FortiGuard) option.
D . FortiWeb provides web application attack signatures.

Answer: B