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EC-Council

EC0-350 · Question #651

You want to carry out session hijacking on a remote server. The server and the client are communicating via TCP after a successful TCP three way handshake. The server has just received packet #120…

The correct answer is B. 121-371. See the full explanation below for the reasoning.

Question

You want to carry out session hijacking on a remote server. The server and the client are communicating via TCP after a successful TCP three way handshake. The server has just received packet #120 from the client. The client has a receive window of 200 and the server has a receive window of 250. Within what range of sequence numbers should a packet, sent by the client fall in order to be accepted by the server?

Options

  • A200-250
  • B121-371
  • C120-321
  • D121-231
  • E120-370

How the community answered

(25 responses)
  • B
    76% (19)
  • C
    4% (1)
  • D
    12% (3)
  • E
    8% (2)

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Full EC0-350 Practice