mediumMultiple Choice
300-410 Practice Question: Runs the following command on Router R1: R1# show…
A network engineer runs the following command on Router R1:
R1# show policy-map control-plane
Control Plane
Service-policy input: CoPP class-map: MANAGEMENT (match-all) 100 packets, 10000 bytes 5 minute offered rate 0 bps police: cir 8000 bps, bc 1500 bytes conformed 100 packets, 10000 bytes; actions: transmit exceeded 0 packets, 0 bytes; actions: drop conformed 0 bps, exceed 0 bps
Based on this output, which statement is correct?
⚠ Common exam trap
Cisco often tests the misconception that a low police rate automatically implies drops, but the trap here is that the output must be read carefully—'exceeded 0 packets' proves no drops occurred, regardless of the configured CIR.
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
✓
All management traffic has been transmitted without any drops.
The output shows that all 100 packets matched by the MANAGEMENT class-map were conformed (100 packets, 10000 bytes) and the action for conformed traffic is 'transmit', with zero exceeded packets. This indicates that the policing rate of 8000 bps (CIR) was sufficient for the offered traffic, and no packets were dropped. The 'exceeded 0 packets' field confirms no drops occurred.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
All management traffic has been transmitted without any drops.
Why this is correct
The police counters show 100 conformed packets transmitted and zero exceeded packets dropped, confirming every management packet stayed within the 8000 bps committed rate. The zero exceed rate and zero dropped bytes directly evidence that no management traffic was discarded, satisfying the stem's requirement to interpret the CoPP statistics accurately.
- ✗
Management traffic is being dropped because the police rate is too low.
Why it's wrong here
The output shows 100 packets conformed and transmitted, with zero exceeded and zero dropped, so the 8000 bps rate is not causing loss. It tempts because a low CIR can drop traffic, but policing only drops packets exceeding the configured rate.
- ✗
The CoPP policy is not applied because the control plane is not specified.
Why it's wrong here
The output shows the CoPP service policy attached and processing packets, so the control-plane specification is present; the claim contradicts the displayed counters. It is tempting because CoPP must be applied under control-plane configuration, and omitting that attachment is a genuine, common misconfiguration — but this output proves it was applied.
- ✗
The class-map MANAGEMENT is not matching any traffic.
Why it's wrong here
The class-map is matching traffic: 100 packets and 10000 bytes have been counted, with all conforming and transmitting. The zero offered rate merely reflects a quiet five-minute sampling window, not an absence of matches. This option would be correct had the packet and byte counters remained at zero.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 300-410 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 300-410 exam.