Which of the following tool accomplishes this?

When Jason moves a file via NFS over the company’s network, you want to grab a copy of it by sniffing. Which of the following tool accomplishes this?

A.
macof

B.
webspy

C.
filesnarf

D.
nfscopy

Explanation:
Filesnarf – sniff files from NFS traffic
OPTIONS
-i interface
Specify the interface to listen on.

-v "Versus" mode. Invert the sense of matching, to
select non-matching files.

pattern
Specify regular expression for filename matching.

expression
Specify a tcpdump(8) filter expression to select
traffic to sniff.

SEE ALSO
Dsniff, nfsd