SSCP Network and Communications Security Practice Question
Which security control can prevent a rogue DHCP server from assigning incorrect gateway addresses to clients?
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
✓
DHCP snooping
DHCP snooping is a switch feature that filters DHCP messages based on trusted ports, blocking rogue DHCP servers.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
IP source guard
Why it's wrong here
IP source guard filters traffic based on IP-MAC bindings, not DHCP.
- ✗
Dynamic ARP inspection
Why it's wrong here
DAI validates ARP packets, not DHCP.
- ✗
Port security
Why it's wrong here
Port security limits MAC addresses on a port but does not filter DHCP messages.
- ✓
DHCP snooping
Why this is correct
DHCP snooping allows only authorized DHCP servers to respond to 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.