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單項選擇題

During a planning session, it is determined that a three node cluster (Node ’A’, Node ’B’, and Node ’C’) will meet the customer’s application needs. Node ’B’ will be a hot-standby fallover node for both Node ’A’ and Node ’C’ resource groups. 
A serial network for this cluster will require which connections?()  

A. A single serial network between Node ’A’ and Node ’B’ and Node ’C’
B. A point-to-point link between Node ’A’ and Node ’C’,and Node ’B’ and Node ’C’
C. A serial network between Node ’A’ and Node ’C’,and a serial network between Node ’B’ and Node ’C’
D. A point-to-point link between Node ’A’ and Node ’B’ Node ’B’ and Node ’C’ and Node ’A’ ad Node ’C’

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