ネットワークに接続された新しいコンピュータが、別のコンピュータと同じ IP アドレスのエラーを報告しました。両方のコンピューターが SLAAC 用に構成されていました。エラーの原因は次のうちどれですか?
正解:B
SLAAC (Stateless Address Autoconfiguration) is a method used by devices in an IPv6 network to configure their own IP addresses automatically using the link-local address and the network prefix that are advertised by routers. An error stating that there is an identical IP address already in use could occur if two devices on the network have duplicate MAC addresses. Since IPv6 addresses generated by SLAAC include the MAC address in the EUI-64 format, duplicate MAC addresses would result in identical IPv6 addresses. Options such as rogue DHCP server, incorrect router advertisement, and wrong VLAN assignment do not typically result in duplicate IP address conflicts under SLAAC since the address configuration is primarily derived from the MAC address.