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How is an address collision detected on a link with a cisco router running DHCPv4 server?

DHCP server sends RARP message with ist own MAC address

DHCP server sends an ARP with the IP Address it is going to offer by DHCP Offer message, before sending the DHCP Offer

DHCP server sends a ping to the IP Address after having completed DHCP

There is no conflict detection in DHCPv4


1.4 Three Tiered Architecture

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