As a DHCPv4 client lease is about to expire, what is the message that the client sends the DHCP server?

Question:
As a DHCPv4 client lease is about to expire, what is the message that the client sends the DHCP server?

• DHCPDISCOVER
• DHCPOFFER
• DHCPREQUEST
• DHCPACK

Explanation: When a DHCP client lease is about to expire, the client sends a DHCPREQUEST message to the DHCPv4 server that originally provided the IPv4 address.​ This allows the client to request that the lease be extended.​

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