Which service, tool or command allows a remote or local user to learn the directories or files that are accessible on the network?

A.
Traceroute

B.
Share scanner

C.
Port scanner

D.
Ping scanner

Explanation:
Files and Directories in a Windows like environment (including Samba on Linux & Unix) can be located and detected using a share scanner. Files and directories are made available to a network by sharing those resources as a share.
Incorrect Answers:
A: Traceroute is used to locate and identify hops and map out a network, It is used as a diagnostic tool to determine where connectivity breaks down.
C: A port scanner is used to identify open and active ports on a node.
D: A ping scanner is used to expose the IP addresses on a network, to perform network mapping. Only the IP addresses are exposed, not the port numbers.