How is DRE involved in the fingerprinting and chunk identification process?

How is DRE involved in the fingerprinting and chunk identification process?

A.
DRE temporarily buffers data to provide TCP with a large amount of data to analyze.

B.
DRE attempts to match chunks on four different levels.

C.
A fully chunked message is passed to DRE for an additional layer of compression.

D.
DRE identifies chunks at the basic chunk level and not the chunk aggregation level.