Go back to ASC-091 - ASC Data Protection 2010

Question :-

A customer has a few client systems that require that certain processing jobs be done before and after a backup is performed. Where will the NetBackup pre and post backup scripts reside to perform these actions?
on the master server
on the media server
on the client systems
on the master server but with a <client_name> appended to the start and stop script file names

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