What is point-in-time copy used for?
Answer: To re-create consistent data for business continuity
Can you use host write caching with point-in-time copy?
Answer: Yes, but you must flush host buffers before detaching secondary storage.
Which type of point-in-time copy requires the most storage capacity?
Answer: Whole volume snapshots
True or false: By default, backup systems automatically create historical copies of data.
Answer: False. They make backup copies that are eventually overwritten. You should make separate tapes or tape pools for historical archiving.
True or false: File system snapshots create extra copies of data.
Answer: False. They keep old data blocks from being returned to the free block pool.
What type of media prevents data from being overwritten?
Answer: WORM
Is capacity management mostly a storing function or a filing function?
Answer: Filing
What is the file called in an HSM system that replaces the original file?
Answer: Stub file
True or false: ILM is a major industry standard.
Answer: False
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