A backup environment has 20 GB of data with 10 percent initial commonality. The data is backed
up to a target-based deduplication system on a full, every day backup schedule. After the first
backup, 5 GB of data is changed. The same data set is backed up every day.
How much data is sent over the network on the first and second backups?
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A.
20 GB for the first backup; 20 GB for the second backup
B.
20 GB for the first backup; 5 GB for the second backup
C.
18 GB for the first backup; 4.5 GB for the second backup
D.
18 GB for the first backup; 18 GB for the second backup