Q) In a copy on first access (CoFA) technique, when is data copied from the source to the target?
a) All writes are issued to a location on the source
b) All writes are issued to a location on the target
c) A read or write is issued for the first time to a location on the target
d) A read is issued for the first time from a location on the source
Q) A customer wants 24x7 availability for a business application that uses a file system. Which operation ensures a consistent replica of the file system?
a) Unmount the file system prior to the creation of the replica
b) Stop the application prior to the creation of the replica
c) Flush the file system buffers after creation of the replica
d) Flush the file system buffers before creation of the replica
Q) An application uses ten, 15 GB devices. A pointer-based full volume replica of the application is required. The replica will be kept for 24 hours and the data changes by 10% every 24 hours. How much storage should be allocated for the replication?
a) 15 GB
b) 30 GB
c) 150 GB
d) 300 GB
Q) In a virtualized environment, which method enables a virtual machine to be rolled back in case of a logical corruption to the virtual machine?
a) Virtual volume replication
b) VM snapshot
c) Storage array volume replication
d) VM clone
Q) Which EMC product is a VNX array-based local replication software that creates a full volume mirror of the source?
a) SnapView Snapshot
b) SnapView Clone