Which of the following is the MOST likely cause?

exams PT0-001 PT0-001 exam 0 Comments

After an Nmap NSE scan, a security consultant is seeing inconsistent results while scanning a host.

Which of the following is the MOST likely cause?
A . Services are not listening
B . The network administrator shut down services
C . The host was not reachable
D . A firewall/IPS blocked the scan

Answer: D