After downloading the .sfs file from Fix Central, what is the next step to upgrade IBM Security QRadar SIEM V7.2.8?
A. Log in to the console as the Admin user-> Admin tab -> Advanced Menu -> Clean SIM Model.
B. Log in to the console as the Admin user-> Admin tab -> Advanced Menu -> Upgrade option.
C. Use SSH to log in to the system as the root user -> Run the patch installer with the following command:/media/updates/upgrade_qradar.
D. Use SSH to log in to the system as the root user -> Copy the patch file to the /tmp directory or to another location that has sufficient disk space.
