SSCP Network and Communications Security Practice Question
Which UDP port is used by the Dynamic Host Configuration Protocol (DHCP) for server communication?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
67
DHCP servers listen on UDP port 67, and clients use UDP port 68. DNS uses UDP port 53, TFTP uses UDP port 69, and SNMP uses UDP ports 161-162.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
161
Why it's wrong here
UDP port 161 is used by SNMP for queries.
- ✗
69
Why it's wrong here
UDP port 69 is used by TFTP.
- ✗
53
Why it's wrong here
UDP port 53 is used by DNS, not DHCP.
- ✓
67
Why this is correct
DHCP servers use UDP port 67 to receive client requests.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SSCP practice question is part of Courseiva's free ISC2 certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SSCP exam.