Which UDP port is used by DHCPv6 for client messages?

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Prepare for the CPSA Port Numbers Exam with quizzes on port numbers, services, and protocols. Each question is accompanied by hints and detailed explanations. Get exam-ready with our comprehensive study tool!

Multiple Choice

Which UDP port is used by DHCPv6 for client messages?

Explanation:
DHCPv6 uses UDP with distinct client and server ports. The client sends its requests from UDP port 546 to the server's UDP port 547, and the server replies from port 547 back to the client’s port 546. Because DHCP messages are carried over UDP, the port used by client messages is 546. TCP isn’t used for DHCP, so TCP ports don’t apply here.

DHCPv6 uses UDP with distinct client and server ports. The client sends its requests from UDP port 546 to the server's UDP port 547, and the server replies from port 547 back to the client’s port 546. Because DHCP messages are carried over UDP, the port used by client messages is 546. TCP isn’t used for DHCP, so TCP ports don’t apply here.

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