In IPv4 DHCP, the T2 rebinding uses the DHCPREQUEST sent as which mode?

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Multiple Choice

In IPv4 DHCP, the T2 rebinding uses the DHCPREQUEST sent as which mode?

Explanation:
When a DHCP client cannot reach the server that originally granted the lease, it enters the rebinding stage to try to renew with any available DHCP server on the local network. At this point, the client sends the DHCPREQUEST as a broadcast so that all DHCP servers on the subnet can see it, regardless of knowledge about the specific server’s IP address. Using a broadcast ensures a response can come back even if the client doesn’t know or can’t reach the original server, allowing a server to acknowledge and renew the lease if it can. The other modes aren’t suitable here: a unicast would require knowing the exact server, a solicit is used for initial discovery, and a release ends the lease rather than attempting renewal.

When a DHCP client cannot reach the server that originally granted the lease, it enters the rebinding stage to try to renew with any available DHCP server on the local network. At this point, the client sends the DHCPREQUEST as a broadcast so that all DHCP servers on the subnet can see it, regardless of knowledge about the specific server’s IP address. Using a broadcast ensures a response can come back even if the client doesn’t know or can’t reach the original server, allowing a server to acknowledge and renew the lease if it can. The other modes aren’t suitable here: a unicast would require knowing the exact server, a solicit is used for initial discovery, and a release ends the lease rather than attempting renewal.

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