Administering Windows Server Hybrid Core Infrastructure (AZ-800) Practice

The requirement for specific ports in a network setup is critical for ensuring that communication between servers is smooth and secure. In the case of Storage Replica, which relies on SMB (Server Message Block) for data replication, it's essential to understand the roles of different ports.

Port 5445 is designated for SMB Direct (RDMA) communication in the context of Storage Replica. When servers replicate data using Storage Replica, they benefit from the high bandwidth and low latency that SMB Direct offers. For this specialized communication to occur, port 5445 must be open. By allowing traffic through this port, systems can utilize the RDMA capabilities, optimizing the data transfer processes involved in replication.

Understanding this context highlights the importance of enabling the correct network ports to facilitate efficient data replication. The other ports listed serve different protocols or purposes and are not relevant for the specific function of enabling SMB Direct traffic in Storage Replica, further solidifying why 5445 is the correct choice for this scenario.