What is a precaution an Administrator should take before beginning an upgrade of IBM Security QRadar SIEM V7.2.8?

What is a precaution an Administrator should take before beginning an upgrade of IBM Security QRadar SIEM V7.2.8?
A . Close all open offenses.
B . Purge old data and events.
C . Check and close all open messages.
D . Confirm that a backup of the data is complete.

View Answer

Answer: D

Explanation:

The first precaution listed in the IBM document states that the administrator should backup data before

preparing for software upgrade. Backup of the current settings is important because if anything bad happens during the upgrade, you can always revert back to the original settings.

Reference http://www-01.ibm.com/support/docview.wss?uid=swg27048793