350-501 Security and Services Practice Question
A service provider router running IOS XR is configured with Control Plane Policing (CoPP) to protect the route processor. Which type of traffic is most commonly rate-limited using CoPP in the control plane?
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
✓
BGP update messages
CoPP on IOS XR is used to classify and rate-limit control plane traffic such as routing protocols (BGP, OSPF, IS-IS) and management traffic (SSH, SNMP). Among the options, BGP updates are control plane traffic that can be rate-limited to protect the CPU.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
BGP update messages
Why this is correct
BGP updates are control plane traffic that CoPP can rate-limit.
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Multicast data forwarding
Why it's wrong here
Multicast data forwarding is data plane traffic.
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MPLS label imposition
Why it's wrong here
MPLS label imposition is a data plane operation.
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Layer 2 data plane traffic
Why it's wrong here
CoPP applies to control plane traffic, not data plane.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-501 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 350-501 exam.