CCNA Question & Answers
How does DHCP client ensure that no other computer has its assigned IP address?
|A) Acknowledge receipt of a TCP segment||B) Ping to its own address to see if a response is detected|
|C) Broadcast a Proxy ARP||D) Broadcast a gratuitous ARP|
Answer: D) Broadcast a gratuitous ARP
To stop possible address conflicts , a DHCP client will use gratuitous ARP (broadcast an ARP request for its own IP address) to see if another host responds.
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