How can you most quickly reset Secure Internal Communications (SIC) between a Security Management Server and Security Gateway?

How can you most quickly reset Secure Internal Communications (SIC) between a Security
Management Server and Security Gateway?

A.
From cpconfig on the Gateway, choose the Secure Internal Communication option and retype
the activation key. Next, retype the same key in the Gateway object in SmartDashboard and
reinitialize Secure Internal Communications (SIC).
B. Use SmartUpdate to retype the Security Gateway activation key. This will automatically sync
SIC to both the Security Management Server and Gateway.

C.
From the Security Management Server’s command line, type fw putkey -p <shared key> <IP
Address of Security Gateway>.

D.
Run the command fwm sic_reset to reinitialize the Security Management Server Internal
Certificate Authority (ICA). Then retype the activation key on the Security Gateway from
SmartDashboard.