Your customer has a 2-node cluster with two FAS2554 controllers running clustered Data ONTAP 8.3. You want to upgrade non-disruptively to clustered Data ONTAP 8.3.1 using the rolling-upgrade method.
Which two operations would you perform before issuing the A storage failover takeover - of node NodeA- command? (Choose two.)

After a recent unplanned power outage at the site, the power has been restored and you notice power supply fault messages in the event management system (EMS) log or fault lights on the storage shelves.
Which command would you use to collect information about the problem?

A customer is showing disk utilization is at 100% in Active IQ even though there are low protocol operations on the controller. You review the data shown in the exhibit.

In this situation, what should you do?

A customer wants you to add a disk shelf that contains SSDs so they can implement Flash Pool.
Which three tools would you use to complete this task? (Choose three.)

Which two statements describe ONTAP NVRAM? (Choose two.)