When designing an expansion within the same data center, when is a pre-sales TDA absolutely required by IBM?()A. for a SAN768B DirectorB. for a second TS3500 Tape LibraryC. for a second EXP5060 Expansion UnitD. for an additional DS8300 Expansion Frame
题目
When designing an expansion within the same data center, when is a pre-sales TDA absolutely required by IBM?()