Which the following two are samples of these advantages?

There are a number of advantages to using virtualization within the data center module. Which the following two are samples of these advantages?

A.
Virtualization consolidates many low-performance devices into a few high performance devices, providing a more efficient utilization of hardware and increasing the price/performance ratio.

B.
Virtualization compartmentalizes a single device into a few high-performance devices, providing a more efficient utilization of hardware and increasing the price/performance ratio.

C.
Dynamic forcibility eliminates the need to add, reassign, or repurpose resources in the system.

D.
Virtualization separates user via different physical networks into groups with visibility into only their logical network.

E.
Virtualization provides distinct security policies per physical device.

Explanation:
Virtualization is concept of sharing a single physical device as multiple logical devices.
Link:
http://www.cisco.com/en/US/docs/solutions/Enterprise/Network_Virtualization/ServEdge.html