Which option is the correct steps to regenerate a UCS B-Series SSL certificate?

Which option is the correct steps to regenerate a UCS B-Series SSL certificate?
A . Open an SSH session to the CIMC IP
# scope security
# scope keyring default
# set regenerate yes
# commit-buffer
B . Open an SSH session to the CIMC IP
# scope certificate
# set regenerate yes
# commit-buffer
C . Open an SSH session to the CIMC IP
# scope security
# scope certificate
# set regenerate yes
# commit-buffer
D . Using the UCSM GUI
Navigate to the Admin tab
Expand ALL > Key Management
Right-click Key Management and choose regenerate certificate
Click OK