单选题An administrator will be performing a PowerHA upgrade on a cluster from version 5.3 to version 5.5. Which ofthe following tasks will verify a successful migration？（）AUse the clstat command and verify the cluster is in a stable stateBAfter each node is upgraded， run a verification and synchronizationCAfter all nodes are upgraded， run a verification and synchronizationDTake a snapshot of each node and verify the configuration is the same
单选题
An administrator will be performing a PowerHA upgrade on a cluster from version 5.3 to version 5.5. Which ofthe following tasks will verify a successful migration？（）
A
Use the clstat command and verify the cluster is in a stable state
B
After each node is upgraded， run a verification and synchronization
C
After all nodes are upgraded， run a verification and synchronization
D
Take a snapshot of each node and verify the configuration is the same
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