When PSA is coordinating the VMware NMP and any installed third-party MPPs, the MPPs
perform which task?

A.
Implement logical device bandwidth sharing

B.
Handle I/O queueing to the logical devices

C.
Provide logical device and physical path I/O statistics

D.
Manage physical path claiming and unclaiming

Explanation:
http://pubs.vmware.com/vsphere-4-esxi-installablevcenter/index.jsp?topic=/com.vmware.vsphere.esxi_server_config.doc_41/esx_san_config/commo
n/c_vmware_pluggable_storage_architecture.html