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What type of DHCP client message uses a source address of 0.0.0.0 and a destination address of 255.255.255.255 when trying to initiate an exchange of messages with the DHCP server?
DHCPOFFER
DHCPACK
DHCPDISCOVER
DHCPREQUEST
The DHCP initialization process works like this: A client sends a DHCPDISCOVER message with a source address of 0.0.0.0 and destination address of 255.255.255.255 (broadcast). A server that received the DHCPDISCOVER message will respond with a DHCPOFFER message on UDP port 68 (BootP client). This message contains initial configuration information for the client. After the client receives a DHCPOFFER, it responds with a DHCPREQUEST message, indicating its intent to accept the parameters in the DHCPOFFER, and moves into the Requesting state. Finally, after the server receives the DHCPREQUEST, it will respond with a DHCPACK message, thus completing the initialization process.
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