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Which of the following attacks would most likely cause duplicate IP addresses in a network?
Correct Answer: A
* Definition of a Rogue DHCP Server: * A rogue DHCP server is an unauthorized DHCP server on a network, which can assign IP addresses to devices without proper control, leading to IP address conflicts. * Impact of a Rogue DHCP Server: * IP Address Conflicts:Multiple devices may receive the same IP address from different DHCP servers, causing network connectivity issues. * Network Disruption:Devices may be assigned incorrect network configuration settings, disrupting network services and connectivity. * Comparison with Other Attacks: * DNS poisoning:Alters DNS records to redirect traffic to malicious sites, but does not cause IP address conflicts. * Social engineering:Involves manipulating individuals to gain unauthorized access or information, not directly related to IP address conflicts. * Denial-of-service (DoS):Floods a network or service with excessive traffic to disrupt operations, but does not cause duplicate IP addresses. * Prevention and Detection: * Implement network access control measures to prevent unauthorized devices from acting as DHCP servers. * Use DHCP snooping on switches to allow DHCP responses only from authorized DHCP servers. References: * CompTIA Network+ study materials on network security threats and mitigation techniques.
