What can he infer from this kind of response?

Blane is a network security analyst for his company. From an outside IP, Blane performs an XMAS scan using Nmap. Almost every port scanned does not illicit a response.

What can he infer from this kind of response?
A . These ports are open because they do not illicit a response.
B . He can tell that these ports are in stealth mode.
C . If a port does not respond to an XMAS scan using NMAP, that port is closed.
D . The scan was not performed correctly using NMAP since all ports, no matter what their state, will illicit some sort of response from an XMAS scan.

View Answer

Answer: A