When backing up data what are the 4 main areas that needs to be considered? (1)
1. What-What's going to be backed up? Which type of backup?
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When backing up data what are the 4 main areas that needs to be considered? (2)
2.When- The ideal time is when the system is not in use, depending on backup type the frequency varies.
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When backing up data what are the 4 main areas that needs to be considered? (3)
3. How- Depends of what's being stored, speed needed of retrieval of data.
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When backing up data what are the 4 main areas that needs to be considered? (4)
4. Storage - Large organisations needs a device that has a large storage capacity. E.g. Magnetic tape,Cloud. Where the backup is going to be stored- Ideal location would be away from primary location.
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Full Backup
All files on system are copied
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Incremental Backup
Files that's been changed since last full backup is copied, AUDIT TRAILS CAN BE USED TO TRACE FILE CHANGES.
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Differential Backup
Cumulative backup- any changed file are added to the backup
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What's is a recovery procedure?
Needed so when the need comes, all those involved know what to do and what's needed.
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What's does the recovery procedure include? (1)
1. Alternative accommodation- If the primary loaction is affected the alternative location would be used
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What's does the recovery procedure include? (2)
2. Staff Availability- For recovery of backups
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What's does the recovery procedure include? (3)
Staff training- So those involved know what they're doing
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What's does the recovery procedure include? (4)
Alternative communication lines
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How does a 24hr company backup its data? (1)
RAID systems: enables data to be written at the same time to several disks. If one disks fails the next is automatically used. With 3 disks they can be placed in different locations.
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How does a 24hr company backup its data? (2)
Clustering- File servers and storage devices work together, so the company isn't relying on 1 server or one storage device.
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Other cards in this set
Card 2
Front
When backing up data what are the 4 main areas that needs to be considered? (1)
Back
1. What-What's going to be backed up? Which type of backup?
Card 3
Front
When backing up data what are the 4 main areas that needs to be considered? (2)
Back
Card 4
Front
When backing up data what are the 4 main areas that needs to be considered? (3)
Back
Card 5
Front
When backing up data what are the 4 main areas that needs to be considered? (4)
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