A network administrator must enable DHCP services between two sites. What must be configured for the router to pass DHCPDISCOVER messages on to the server?
Answer A is the technically correct selection. A DHCP relay agent forwards DHCP broadcasts across routed boundaries. Because routers do not normally forward broadcasts, the relay receives DHCPDISCOVER from the client subnet and unicasts it to the configured DHCP server. This aligns with Cisco CCNA 200-301 v1.1 because the exam blueprint requires engineers to recognize operational behaviour from configuration symptoms and topology requirements. A DHCP pool makes the router a server, DHCP binding records leases, and DHCP snooping is a switch security feature. Treat the distractors carefully: most are real Cisco terms, but they solve a different problem or operate at a different layer. The selected answer is the one that would be used by an engineer on the device or in the design to produce the outcome stated in the question.
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