An EMC customer does not currently have any Data Domain systems in its environment. They seem very interested in deduplication; however, they have expressed concerns about Data Domain's ability to…

An EMC customer does not currently have any Data Domain systems in its environment. They seem very interested in deduplication; however, they have expressed concerns about Data Domain's ability to ensure data integrity. It is critical that their EMC technical consultant immediately discuss a key Data Domain architectural design concept to address this concern. Which design concept is it?