Recently, Jacob Was Assigned a Project to Test the Perimeter

Recently, Jacob was assigned a project to test the perimeter security of one of a client. As part of the project, Jacob wants to test whether or not a particular port on the firewall is open or closed. He used the hping utility with the following syntax: #hping -S -c 1 -p <port> <IP Address> -t <TTL> What response will indicate the particular port is allowed in the firewall?

A) Host Unreachable
B) TTL Exceeded
C) No Response
D) ICMP Port Unreachable

Correct Answer:

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