GCIH: GIAC Certified Incident HandlerDemo

By GIAC · Question Mode

QuestionQ216

Scanning and Mapping

Which of the following protocol-header values indicates an IPv4 packet?

  • A Type of Service = 06
  • B Hop Limit = 64
  • C Acknowledgement Number = 0
  • D Window Size = 5840
Explanation

The IPv4 header contains a Type of Service (ToS) field. Hop Limit is used by IPv6, and Acknowledgement Number and Window Size belong to the TCP header.

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