ECSA v10: EC-Council Certified Security Analyst v10

By ECCouncil · Question Mode

QuestionQ107

VerifiedNetwork Penetration Testing Methodology – External

Nancy Jones is a network administrator at Society Technology Ltd. While attempting to send data packets from one network (Token-ring) to another network (Ethernet), she receives this error message:

> Destination unreachable

What is the reason for this?

Explanation

An ICMP Destination Unreachable message is generated when a host or gateway cannot deliver or forward an IP datagram, such as when the destination network or host is unreachable through its routing information. This is a packet-transmission failure; it is not inherently related to image data or fragmentation.

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