How will you accomplish this?

You want to hide a secret.txt document inside c:windowssystem32tcpip.dll kernel library using ADS streams.

How will you accomplish this?
A . copy secret.txt c:windowssystem32tcpip.dll kernel>secret.txt
B . copy secret.txt c:windowssystem32tcpip.dll: secret.txt
C . copy secret.txt c:windowssystem32tcpip.dll |secret.txt
D . copy secret.txt >< c:windowssystem32tcpip.dll kernel secret.txt

Answer: B