After a node is serviced and ready for operation, which steps are crucial to reintegrate it into the cluster? (Select two)

After a node is serviced and ready for operation, which steps are crucial to reintegrate it into the cluster? (Select two)
A . Synchronizing the node’s clock with the cluster
B . Ensuring the node’s firmware is up to date
C . Configuring the node’s network settings
D . Assigning the node to the correct IP pool

Answer: BC