You want to upgrade a cluster with two members to VPN-1 NGX. The SmartCenter Server and
both members are version VPN-1/Firewall-1 NG FP3, with the latest Hotfix. What is the correct
upgrade procedure?
1. Change the version, in the General Properties of the gateway-cluster object.

2. Upgrade the SmartCenter Server, and reboot after upgrade.
3. Run cpstop on one member, while leaving the other member running. Upgrade one member at
a time, and reboot after upgrade.
4. Reinstall the Security Policy.

A.
3,2, 1,4

B.
2,4,3, 1

C.
1,3,2,4

D.
2,3, 1,4

E.
1,2,3,4