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EC-Council

412-79V10 · Question #38

As a part of information gathering, you are given a website URL and asked to identify the operating system using passive OS fingerprinting. When you begin to use various network sniffing tools, you…

The correct answer is B. SYN/ACK. See the full explanation below for the reasoning.

Question

As a part of information gathering, you are given a website URL and asked to identify the operating system using passive OS fingerprinting. When you begin to use various network sniffing tools, you notice that the remote host is processing incoming packets and returns a SYN/ACK packet in response to a SYN packet with a window size of 5840 and a TTL of 128. What information in the remote operating system?

Options

  • ASYN
  • BSYN/ACK
  • CACK
  • DRST

How the community answered

(26 responses)
  • A
    4% (1)
  • B
    85% (22)
  • C
    8% (2)
  • D
    4% (1)

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Full 412-79V10 Practice