# Storage – PowerVault 220S/221S Product Certification

There are 10 questions, you have 40 minutes.

Multiple Choice:
What is the number of rack units the PowerVault 220S occupies?
Three.
Two.
Four.
One.

True/False:
The PowerVault 220S and the PowerVault 221S support up to 12 1-inch Ultra-3 SCSI hard-disk drives.
False.
True.

Choose all that apply:
A PowerVault 220S and a PowerVault 221S in redundant configurations will have two of which items?
RAID controllers.
Terminator cards.
Enclosure Management Modules (EMMs).
Power Supplies.

Multiple Choice:
A PowerVault 220S or PowerVault 221S in a non-redundant configuration will have a _____ installed in the secondary EMM slot.
Filler panel.
Terminator module.
RAID controller.
Split-bus module.

Multiple Choice:
When replaceing a power supply or the active cooling fan attached to the power supply on a PowerVault 220S or PowerVault 221S in a non-redundant configuration you must _____ the enclosure before you begin.
Initialize.
Dissconnect.
Power off.
Reboot.

Multiple Choice:
On the PowerVault 220S and PowerVault 221S the bus mode is changed when:
The switch on the split-bus module is changed.
The attached server or servers are rebooted.
The switch on the split-bus module is changed and the SCSI cables are attached.
The switch on the split-bus module is changed and the enclosure is rebooted.

Multiple Choice:
When replaceing an EMM on the powerVault 220S or PowerVault 221S, what can be done to ensure data is not lost due to impropper termination?
Quickley insert a terminator modle into the empty slot.
Remove all of the split-bus module.
Power down the enclosure.
Switch the enclosure into cluster mode.

True/False:
The Enclosure Management Modules on the PowerVault 220S and PowerVault 221S are hot-swappable.
False.
True.

Multiple Choice:
When the PowerVault 220S or PowerVault 221S is operating outside of its specified thermal range the thermal LED will be:
Red in color.
Blinking amber.
Blinking red.
Amber in color.

Multiple Choice:
On the PowerVault 220S and PowerVault 221S the ______ LED will be on when the backplane is split into two separate SCSI buses.
Power.
Split-bus.
Cluster.
Fault.