Company.com wishes to use IPAT via IP replacement in a two-node mutual cluster. Each node  has two Ethernet 10/100/1000 adapters. Throughout the planning session，the customer has asked questions about subnet and VLAN requirements for the intended network topology.  Which of the following best describes the network requirements？（）  

A、 The service IP addresses must be on a separate subnet and VLAN.

B、 The non-service and service IP addresses must be on the same subnet and on the same VLAN.

C、 All interfaces on a node must be in different subnets. All subnets must be on the same VLAN. 

D、 One non-service and one service IP address must be on the same logical subnet. All interfaces must be on the same VLAN.

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