» Linux » Examen sur Linux » Examen 201 : Advanced Administration » Section 3 » Question 19/20

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19.You have been asked by your management to come up with a backup solution that covers not only data loss, but also situations where the entire system, or building, is destroyed. Your solution should also protect against data theft. Which of the following plans provides the most secure redundant backup and storage solution?

Once a week, all of your systems receive a full system backup to tape. Those tapes are stored in a secured location in your facility.
Once a week, all of your systems receive an incremental system backup to tape. Those tapes are stored in a secured location in remote facility.
Every night, all of your systems receive an incremental system backup to tape. Those tapes are stored in a secured location in a remote facility.
Every night, all of your systems receive an incremental system backup to tape, and once a month, all systems receive a full backup to tape. Those tapes are stored in a secured remote facility.
Once a week, all of your systems receive a full backup to tape. Twice a month, all of your systems receive a full backup to CD. The tapes are stored in a secured remote facility. The CD's are stored locally.

Explanation

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