A. It allows HP to detect an attack as it happens and immediately employ security counter measures in the other non-infected layers.

B. It the hacker advances past one layer of protection, it doesn't matter as the data they aim for is backed up in multiple places.

C. It allows HP MPS partners to detect an attack using the HP remote monitoring tools as it happens and employ security counter measures.

D. If the hacker advances past one layer of protection, there are additional layers that continue to protect.