Question

Firewalk tool employs a technique to determine the ___________ rules in place on the ___________ forwarding device.

(a) filter, packet

(b) filter, port

(c) routing, packet

(d) routing, port

This question was addressed to me at a job interview.

Query is from Scanning Phase for Security in section Phases of Security of Cyber Security

Answer 1

Right option is (a) filter, packet

Best explanation: Firewalk is a tool which uses traceroute-like techniques for analyzing IP packet responses. It determines gateway ACL and filters & map networks. Specifically, it determines filter rules in place on all packet forwarding devices.