How do DHCP and DNS work together without doing the same job?

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Model Answer & Deep-Dive Explanation

DHCP supplies network configuration to clients, commonly including an IP address lease, subnet information, default gateway, and DNS server addresses. DNS resolves names to records such as IP addresses. A device can obtain a valid DHCP lease yet fail to resolve names because the configured resolver is unavailable. Conversely, manual address configuration can work without DHCP. Troubleshoot lease state, address conflicts, gateway reachability, and resolver responses separately. Dynamic DNS updates may connect the services operationally, but they remain distinct protocols with different responsibilities.

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How do DHCP and DNS work together without doing the same job?

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