SSCP Network and Communications Security Practice Question
Which of the following is a connectionless transport layer protocol primarily used for services like DNS and DHCP?
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
✓
UDP
UDP is connectionless and used by DNS (port 53) and DHCP (ports 67-68).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
UDP
Why this is correct
UDP is connectionless and used by DNS and DHCP.
- ✗
IP
Why it's wrong here
IP is a network layer protocol, not transport.
- ✗
TCP
Why it's wrong here
TCP is connection-oriented.
- ✗
ICMP
Why it's wrong here
ICMP is a network layer protocol for diagnostics.
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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.