An ESX Host gains exclusive access to Virtual Machines created on NFS datastores using which of th efollowing mechanisms?

An ESX Host gains exclusive access to Virtual Machines created on NFS datastores using which of th efollowing mechanisms? 





A. SCSI Reservations
B. a special .lck-XXX lock file
C. NFS File Locking Protocol
D. Distributed File Locking






Answer: B


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