Which of the following is the BEST explanation for what happened?

A penetration tester ran the following Nmap scan on a computer:

nmap -aV 192.168.1.5

The organization said it had disabled Telnet from its environment. However, the results of the Nmap scan show port 22 as closed and port 23 as open to SSH .

Which of the following is the BEST explanation for what happened?
A . The organization failed to disable Telnet.
B . Nmap results contain a false positive for port 23.
C . Port 22 was filtered.
D . The service is running on a non-standard port.

View Answer

Answer: A