350-601 Security Practice Question
Which Nexus feature dynamically validates ARP packets to prevent man-in-the-middle attacks?
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
✓
Dynamic ARP Inspection
Dynamic ARP Inspection (DAI) intercepts ARP packets and validates them against DHCP snooping bindings.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Dynamic ARP Inspection
Why this is correct
DAI validates ARP packets.
- ✗
DHCP snooping
Why it's wrong here
DHCP snooping prevents rogue DHCP servers.
- ✗
IP Source Guard
Why it's wrong here
IP Source Guard prevents IP spoofing.
- ✗
Port security
Why it's wrong here
Port security limits MAC addresses.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-601 practice question is part of Courseiva's free Cisco 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 350-601 exam.