350-601 Security Practice Question
A Nexus switch is being hardened. An engineer wants to protect the control plane from CPU-targeted attacks, such as heavy ICMP traffic. Which feature should be configured?
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
✓
Control Plane Policing (CoPP)
Control Plane Policing (CoPP) allows the switch to rate-limit or drop traffic destined to the control plane.
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 it's wrong here
DHCP snooping filters DHCP messages to prevent rogue DHCP servers, not control plane attacks.
- ✗
Dynamic ARP Inspection
Why it's wrong here
DAI validates ARP packets to prevent ARP spoofing, not control plane attacks.
- ✓
Control Plane Policing (CoPP)
Why this is correct
CoPP protects the control plane by policing traffic that targets the CPU.
- ✗
IP Source Guard
Why it's wrong here
IP Source Guard filters IP traffic based on DHCP snooping bindings, not control plane protection.
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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.