What is the correct order of DHCP packets when obtaining an IP address?
a. DHCP Discover, DHCP Offer, DHCP ACK, DHCP Request
b. DHCP Offer, DHCP Discover, DHCP Request, DHCP ACK
c. DHCP Discover, DHCP Offer, DHCP Request, DHCP ACK
d. DHCP Discover, DHCP Request, DHCP Offer, DHCP ACK
c. DHCP Discover, DHCP Offer, DHCP Request, DHCP ACK
Explanation: The process is as follows:
1 . The client boots up and broadcast a DHCP Discover message on its local network.
2 . A DHCP server listening on the LAN will take the packet, retrieve an available IP address from the address pool, and send the address to the client in a form of DHCP Offer message.
3 . The client receives the OFFER from the server and agrees to use the lease. It replies back to the server in a form of DHCP Request to formally request and confirm the offered IP with the server.
4 . The server receives the REQUEST and will send back a DHCP ACK, which is a unicast packet, back to the client with the same IP information.
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