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EC-Council

312-50V7 · Question #489

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…

The correct answer is A. These ports are open because they do not illicit a response. See the full explanation below for the reasoning.

Question

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?

Options

  • AThese ports are open because they do not illicit a response.
  • BHe can tell that these ports are in stealth mode.
  • CIf a port does not respond to an XMAS scan using NMAP, that port is closed.
  • DThe scan was not performed correctly using NMAP since all ports, no matter what their state, will illicit

How the community answered

(32 responses)
  • A
    84% (27)
  • B
    3% (1)
  • C
    3% (1)
  • D
    9% (3)

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