1. Backup and restoration of data, redundancy
Dale Baker

2. What Insurance against data loss.
Extra copies of valuable data are stored in a safe location.
Full backup – everything is copied, all data, system setting etc.
Differential backup - Incremental Backup that copies the files that have been modified or created since a previous Full Backup
Incremental backup - Backup that copies the files that have been modified or created since a previous backup of any kind

3. Where Should be used by all businesses.
Every company has data that is valuable to them, customer information financial records.
This information needs to be protected

4. Why Accidental deletion, Data corruption, Hardware failure,
Malicious attacks,
Natural disasters,
To protect against loss of important information by ensuring that there is always at least one up to date stored off site.

5. Benefits
Even if the original copy of some data is lost or damaged that data can be retrieved or repaired relatively easily. It also greatly reduces the chance that data will be permanently lost.

6. Disadvantages
A security risk as it represents another method of entry into valuable data.
Back-ups must be frequently updated to maintain value.
Extra expenses from cost of purchasing and running a separate storage device and location