GCIH: GIAC Certified Incident HandlerDemo

By GIAC · Question Mode

QuestionQ599

Scanning and Mapping

Which of these techniques is most effective for identifying active client systems on a LAN?

  • A ICMP Echo Requests
  • B TCP FIN scanning
  • C Traceroute
  • D DNS Zone Transfer
Explanation

ICMP Echo Requests can be sent to address ranges as a ping sweep; systems that return Echo Replies are identified as live hosts on the LAN.

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