CLCOR Media And Qos Practice Question
You are configuring a Cisco IOS router to perform traffic shaping for voice traffic. Why is traffic shaping often used in conjunction with queuing?
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
✓
To prevent interface congestion by smoothing out traffic bursts
Traffic shaping smooths out bursts of traffic, preventing the buffer overflows that would lead to packet loss and poor voice quality.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
To prioritize voice over data traffic
Why it's wrong here
Queuing prioritizes traffic; shaping regulates it.
- ✗
To reduce the CPU utilization of the router
Why it's wrong here
Shaping adds overhead, potentially increasing CPU load.
- ✓
To prevent interface congestion by smoothing out traffic bursts
Why this is correct
Shaping regulates traffic flow to conform to a specific rate, preventing congestion.
- ✗
To increase the total throughput of the interface
Why it's wrong here
Shaping limits throughput; it does not increase it.
About these practice questions
One of 263 original CLCOR practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Cisco exam blueprint
This CLCOR 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 CLCOR exam.