During Company.com planning session,Company.com presents the details of the current  Network design. The network design serves four separate company facilities, each on as separate subnet. As part of a disaster recovery plan, the customer is evaluating the use of HACMP. Specifically, the have reviewed IPAT via IP aliasing and are questioning the number of IP subnets required. <br /> Given the customer’s current configuration,what is the recommended minimum number of IP subnets that would be required?()
A、 4
B、 5
C、 6
D、 8