Regarding target deduplication, which of the following description is incorrect?

Regarding target deduplication, which of the following description is incorrect?
A . Does not occupy the resources of the source.
B . Target end deduplication is equivalent to post-processing deduplication (Post-procesig).
C . Cannot save transmission bandwidth.
D . The data block is transferred from the source end to the target end, and the deduplication operation is performed on the target end.

Answer: B