What is the correct sequence of steps to be followed to perform NAS I/O operation?
1. Storage array processes the request.
2. NAS device converts file I/O to block I/O
3. File I/O request by client
4. NAS device forwards the file to the client

A.
3-2-1-4
B.
2-1-3-4
C.
2-1-4-3
D.
3-1-4-2