350-501 Automation and Quality of Services Practice Question
A service provider wants to enforce a hard rate limit of 10 Mbps on a subscriber's traffic, dropping any excess packets. Which QoS mechanism should be used?
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
✓
Policing
Policing drops or re-marks traffic exceeding the configured rate, enforcing a hard limit. Shaping buffers excess traffic, which does not enforce a hard drop.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Policing
Why this is correct
Policing drops or re-marks packets exceeding the rate, enforcing a hard limit.
- ✗
CBWFQ
Why it's wrong here
CBWFQ provides bandwidth allocation, not rate enforcement.
- ✗
Traffic shaping
Why it's wrong here
Shaping buffers excess traffic; it does not drop but smooths bursts.
- ✗
LLQ
Why it's wrong here
LLQ is a queuing mechanism for priority traffic, not rate limiting.
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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.