Which two statements are about Unplanned Device Loss in a vSphere 5 environment?(Choose two)
A.
It is condition where an ESXi host determine a device loss has occurred that was not planned.
B.
Performing a storage rescan restores access to determine why device loss occurred.
C.
It is a condition where an ESXi host is unable to determine why device loss occurred.
D.
Performing a storage rescan removes the persistent information related the device.
Explanation: (REVIEWED)
Page 132 from vsphere-esxi-vcenter-server-50-storage-guide.pdf
Answer is C & D
http://pubs.vmware.com/vsphere-50/index.jsp?topic=%2Fcom.vmware.vsphere.storage.doc_50%2FGUID-BA39DB47-F8DB-4945-B061-1B6FF3DD12E1.html
I agree that the answer is C and D, rather than A and D.
The problem with A as an answer is that it just rephrases the question while C is additional information. In this case, logic requires that new information be ranked as more valuable than old information. Therefore one must choose C over A.