easyMultiple ChoiceObjective-mapped
SSCP Practice Question: A network technician needs to ensure that only…
A network technician needs to ensure that only authorized DHCP servers can assign IP addresses on the network. Which switch feature should be enabled?
⚠ Common exam trap
ISC2 often tests DHCP snooping by confusing it with Dynamic ARP Inspection, but the key distinction is that DHCP snooping directly controls DHCP server messages, while DAI relies on the snooping database to validate ARP traffic.
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 security feature that filters untrusted DHCP messages and builds a DHCP snooping binding database by monitoring DHCP traffic on untrusted ports. By enabling DHCP snooping on the switch, only DHCP servers connected to trusted ports can assign IP addresses, preventing rogue DHCP server attacks.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
DHCP snooping
Why this is correct
DHCP snooping blocks unauthorized DHCP server responses.
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Dynamic ARP Inspection
Why it's wrong here
DAI validates ARP packets, not DHCP messages.
- ✗
Port security
Why it's wrong here
Port security limits MAC addresses, not DHCP servers.
- ✗
BPDU guard
Why it's wrong here
BPDU guard protects against bridge loops, not DHCP.
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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.