Which of the following statements about the working principles of data deduplication is false?

Which of the following statements about the working principles of data deduplication is false?
A . The granularity of hash comparison is data block.
B . Dab blocks that have been stored will not be stored again, and no other processing is required either, such as adding indexes.
C . The same data block will be physically stored only once.
D . A complete data logical view can be seen through indexes.

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Answer: B