What is the correct procedure to migrate the configuration?

You plan to migrate a Windows NG with Application Intelligence (Ai) R55 SmartCener server to R71. You also plan to upgrade four VPN-1 pro Gateways at remote offices and one local VPN-1 pro gateway at your company’s head quarter to R71. The management server configuration must be migrated. What is the correct procedure to migrate the configuration?

A.
1. Upgrade the remote gateway via smartUpdate.
2. upgrade the security management server, using the R71 CD

B.
1. From the R71 CD-ROM on the security management server, select Upgrade
2. Reboot after installation and upgrade all licenses via SmartUpdate
3. Reinstall all gateways using R 70 and install a policy

C.
1. Copy the $PWDIR conf directory from the security management server
2. Save directory contents to another file server
3. Uninstall the security management server, and install anew security management server
4. Move the saved directory contents to $ PWDIRconf replacing the default installation files
5. Reinstall all gateways using R71 and install a security policy

D.
1. From the R71 CD- ROM in the security management server, select export
2. Install R 70 on a new PC using the option installation using imported configuration
3. Reboot after installation and update all licenses via smartUpdate
4. Upgrade software on all five remote Gateway via SmartUpdate