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PT0-002 · Question #418

PT0-002 Question #418: Real Exam Question with Answer & Explanation

The correct answer is C: The IP ranges changed ownership.. When a penetration tester notices several target hosts appearing to be residential connections associated with a major television and ISP, it's likely that the IP ranges initially assigned to the target organization have changed ownership and are now allocated to the ISP for resi

Reconnaissance and enumeration

Question

A penetration testing firm performs an assessment every six months for the same customer. While performing network scanning for the latest assessment, the penetration tester observes that several of the target hosts appear to be residential connections associated with a major television and ISP in the area. Which of the following is the most likely reason for the observation?

Options

  • AThe penetration tester misconfigured the network scanner.
  • BThe network scanning tooling is not functioning properly.
  • CThe IP ranges changed ownership.
  • DThe network scanning activity is being blocked by a firewall.

Explanation

When a penetration tester notices several target hosts appearing to be residential connections associated with a major television and ISP, it's likely that the IP ranges initially assigned to the target organization have changed ownership and are now allocated to the ISP for residential use. This can happen due to reallocation of IP addresses by regional internet registries. Misconfiguration of the scanner (option A), malfunctioning of scanning tools (option B), or firewall blocking (option D) would not typically result in the discovery of residential connections in place of expected organizational targets.

Topics

#Network scanning#IP address allocation#Reconnaissance findings#Scope verification

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