A Backup Software Heavily Uses Hard Links Between Files Which

question 80

Multiple Choice

A backup software heavily uses hard links between files which have not been changed in between two backup runs. Which benefits are realized due to these hard links?

• A) The old backups can be moved to slow backup media, such as tapes, while still serving as hard link target in new backups.
• B) The backup runs faster because hard links are asynchronous operations, postponing the copy operation to a later point in time.
• C) The backup is guaranteed to be uncharged because a hard linked file cannot be modified after its creation.
• D) The backup consumes less space because the hard links point to the same data on disk instead of storing redundant copies.
• E) The backup runs faster because, instead of copying the data of each file, hard links only change file system meta data.

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