You want to upgrade a cluster with two members to R76. The Security Management Server and both
members are version NGX R65, with the latestHot fixAccumulator. What is the correct upgrade
procedure?
Change the version in the General Properties of the Gateway-cluster object.
Upgrade the Security Management Server, and reboot.
Run cpstop on one member, while leaving the other member running. Upgrade one member at a
time and reboot after upgrade.
Reinstall the Security Policy.

A.
3,2,1,4

B.
2,4,3,1

C.
1, 3,2,4

D.
2,3,1,4