Which of the following are legally compliant forensics applications that will detect an alternative data stream (ADS) or a file with an incorrect file extension? (Choose two.)

Which of the following are legally compliant forensics applications that will detect an alternative data stream (ADS) or a file with an incorrect file extension? (Choose two.)
A . Disk duplicator
B. EnCase
C. dd
D. Forensic Toolkit (FTK)
E. Write blocker

Answer: B,D