Cisco Exam Questions

How to describe DRE improvements on traditional LZ compression?

You are the network consultant from The Tech LTD. How to describe DRE improvements on traditional LZ compression?

A.
Implementing a more aggressive,hardwarE.intensive LZ compression algorithm

B.
prepositioning often-used file segments on the edge WAEs

C.
comparing hashes of each file version to avoid unnecessary file synchronization

D.
Caching redundant data segments