A customer has a number of production and development IBM Storage systems that need different levels of IBM support services.
Which statement is true about different support levels for IBM storage?
A . If a customer wants premium support on the storage system, then the SAN switches must have premium support
B . If any storage system has 7×24 support, all storage systems at that location must have 7×24 support
C . If a customer wants premium support on the storage system, than all expansions must have premium support
D . If a customer has any storage with a premium support feature, then all storage must have premium support.
Answer: