When investigating FortiGuard connectivity issues, which action is a valid troubleshooting step?

When investigating FortiGuard connectivity issues, which action is a valid troubleshooting step?
A . Configure a virtual IP to forward port 443 to the FortiGate external IP.
B . Verify management VDOM internet access.
C . Use the FortiGuard real-time debug command to verify rating requests.
D . Verify that DNS requests are being proxied, if auto-update tunneling is enabled.

Answer: B