An administrator runs the command esxcli storage core device list and sees the following output:
mpx.vmhba1:C0:T0:L0 Display Name: RAID 5 (mpx.vmhba1:C0:T0:L0) Has Settable Display Name: false SizE.
40960 Device Type: Direct-Access Multipath Plugin: NMP Devfs Path: /vmfs/devices/disks/
mpx.vmhba1:C0:T0:L0 Status: off Is Local: true
What can be determined by this output?

A.
The device is a being used for vFlash Read Cache.

B.
The device is in a Permanent Device Loss (PDL) state.

C.
The device is a local Solid State Device (SSD).

D.
The device is in an All Paths Down (APD) state.

Explanation:

Reference: http://vmwaremine.com/2014/07/07/manage-psa-claimrules-satp-rules-esxcli/#sthash.i6Esax8x.dpbs