Which solution satisfies the client's needs?

Which solution satisfies the client’s needs?

A client has 2 large file storage environments with data that is rarely accessed. The client wants a cost-efficient solution that applies minimum changes to applications while maintaining access to all data in the current environment.

Which solution satisfies the client’s needs?
A . Extend the storage capacity using an IBM Storwize V5010 system
B . Add an IBM Tape Library and IBM Spectrum Scale
C . Extend the storage capacity using an IBM Storwize V5030F system
D . Add an IBM Tape Library and IBM Spectrum Archive

Answer: D