As part of the on-premises migration plan for Archive1, what is the minimum number of IP addresses required for the node and cluster roles on Cluster3?
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Correct answer: 3.
Why this is the answer
A Windows Server Failover Cluster (WSFC) requires at least two IP addresses for its core functionality: one for the cluster itself (the Cluster Name Object or CNO) and one for the File Server role (the Client Access Point for the shared folders). The third IP address is for the node itself, which is a separate entity from the cluster and its roles. Therefore, a minimum of three IP addresses are needed: one for the cluster, one for the file server role, and one for the cluster node. Two IP addresses would not be sufficient as it would not allow for both the cluster and the file server role to have dedicated IPs. Four or five IP addresses are more than the minimum required.
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