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EC-Council

EC0-350 · Question #830

SYN Flood is a DOS attack in which an attacker deliberately violates the three-way handshake and opens a large number of half-open TCP connections. The signature of attack for SYN Flood contains:

The correct answer is B. A large number of SYN packets appearing on a network without the corresponding reply packets. See the full explanation below for the reasoning.

Question

SYN Flood is a DOS attack in which an attacker deliberately violates the three-way handshake and opens a large number of half-open TCP connections. The signature of attack for SYN Flood contains:

Options

  • AThe source and destination address having the same value
  • BA large number of SYN packets appearing on a network without the corresponding reply packets
  • CThe source and destination port numbers having the same value
  • DA large number of SYN packets appearing on a network with the corresponding reply packets

How the community answered

(38 responses)
  • A
    5% (2)
  • B
    82% (31)
  • C
    11% (4)
  • D
    3% (1)

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