Briefly describe differential backup. What are some of the advantages and disadvantages of using differential backup?
What will be an ideal response?
A differential backup is the storage of all files that have changed or been added since the last full backup. The differential backup works faster and uses less storage space than the full backup, but each daily differential backup is larger and slower than that of the day before. For example, if you conduct a full backup on Sunday, then Monday's backup contains all the files that have changed since Sunday, and Tuesday's backup contains all the files that have changed since Sunday as well, including Monday. By Friday, the file size has grown substantially. If one backup is corrupt, the previous day's backup contains almost all the same information.
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What will be an ideal response?
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What will be an ideal response?
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