A technician is setting up a backup method on a workstation that only requires two sets of tapes to restore. Which of the following would BEST accomplish this task?
The answer is A. Per Professor Messer. Restoring a differential backup is also a moderate amount of time, because we’re not going to need any more than two sets of backup information. That would be your full backup and the last differential backup. When you perform a differential backup, you are not clearing the archive attribute because you’re going to perform this backup again on the next differential backup.
Nowhere in the study material is there a mention of these tapes and what their capacity may be or what they even are really. It requires knowledge outside of the scope of core 2. Another example of a bad question from comptia.
While in the real world i believe the answer should be D as I would want to have a backup in 2 location the answer appears to be A. I hate these questions because a large # of them are opinion based.
Incremental backup (Option C): An incremental backup includes only the data that has changed since the last backup, whether it was a full or incremental backup. In a scenario where only two sets of tapes are required for restoration, incremental backups are more efficient as they capture changes since the last backup, be it full or incremental.
The correct answer is D. full backup. A full backup creates a complete copy of all selected files and folders. This would indeed be the option that requires only two sets of tapes for a restore, as each set would represent a complete backup.
I agree, I have done my research.
A full backup involves creating a copy of all data on the workstation, including system files and user-created data, and storing it on a set of tapes. This ensures that all data is backed up, and ensures that the data can be restored in the event of a system failure or data loss.
The 3-2-1 backup rule states that technicians should keep backed-up data across two media types.The 3-2-1 backup rule states one full backup copy will be held offline and off-site.
The way I see it, a differential backup works because of the two tapes.
One tape is a full backup, with the second having a differential backup for the changed files. That way you save both your baseline, as well as the up to date files.
C: An incremental backup method would be the best option for setting up a backup method on a workstation that only requires two sets of tapes to restore.
The correct answer is D. Full Backup. A full backup only requires two sets of tapes to restore because it backs up all the data from the workstation. With a differential backup, the backups need to be taken multiple times over a period of time, so more tapes would be needed to restore the data. Off-site backup involves storing the data in a remote location, so tapes would not be necessary. Lastly, an incremental backup requires multiple tapes because it only backs up the data that has changed since the last backup, so multiple tapes would be necessary to restore the data.
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