ACtE08 · Chapter 8Mock Test 04🏛️ Past Licensure QuestionID: c2190cba
In the Dynamic Host Configuration Protocol (DHCP), the client transmits request packets to the DHCP server using UDP destination port:
In the Dynamic Host Configuration Protocol (DHCP), the client transmits request packets to the DHCP server using UDP destination port:
Multiple Choice Options
- A
66
- B✓ Correct Option
67
- C
68
- D
69
Detailed Technical Solution & Explanation
DHCP (Dynamic Host Configuration Protocol) operates over the User Datagram Protocol (UDP) using two reserved port numbers:
•
UDP Port 67: Used by the DHCP Server to listen for incoming client broadcast/unicast requests (DISCOVER, REQUEST).
•
UDP Port 68: Used by the DHCP Client to receive replies from the server (OFFER, ACK).
Therefore, when client data is sent to the server, the destination port is UDP port 67.
Option Analysis:
•
Option A (66): Incorrect; used for Oracle SQL*NET or IPv6 TFTP.
•
Option B (67): Correct; standard well-known port for DHCP server listening.
•
Option C (68): Incorrect; client-side listening port for receiving DHCP responses.
•
Option D (69): Incorrect; standard port for Trivial File Transfer Protocol (TFTP).
Reference: Mock Test 04NEC Licensure Syllabus