EC-Council
312-50V9 · Question #517
312-50V9 Question #517: Real Exam Question with Answer & Explanation
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Question
A specific site received 91 ICMP_ECHO packets within 90 minutes from 47 different sites. 77 of the ICMP_ECHO packets had an ICMP ID:39612 and Seq:57072. 13 of the ICMP_ECHO packets had an ICMP ID:0 and Seq:0. What can you infer from this information?
Options
- AThe packets were sent by a worm spoofing the IP addresses of 47 infected sites
- BICMP ID and Seq numbers were most likely set by a tool and not by the operating system
- CAll 77 packets came from the same LAN segment and hence had the same ICMP ID and Seq number
- D13 packets were from an external network and probably behind a NAT, as they had an ICMP ID 0
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