350-501 Security and Services Practice Question
A service provider is implementing control plane protection (CoPP) on an IOS XR router. Which protocol should be classified and rate-limited to prevent excessive control plane load due to routing updates?
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
BGP updates are sent to the control plane; without CoPP, a flood of BGP updates can overwhelm the router. CoPP classifies BGP traffic and rate-limits it to protect 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.
- ✗
ICMP
Why it's wrong here
ICMP is also control plane traffic but not the primary routing protocol update traffic.
- ✓
BGP
Why this is correct
BGP updates are control plane traffic that must be rate-limited via CoPP.
- ✗
SNMP
Why it's wrong here
SNMP is management traffic, not routing updates.
- ✗
SSH
Why it's wrong here
SSH is management traffic, not routing updates.
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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.