CLCOR Media And Qos Practice Question
Which TWO of the following are common audio codecs used in Cisco collaboration?
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
✓
G.711
G.711 and G.729 are the most ubiquitous codecs in Cisco voice deployments.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
JPEG
Why it's wrong here
JPEG is for images, not audio.
- ✓
G.711
Why this is correct
G.711 is the standard uncompressed codec.
- ✓
G.729
Why this is correct
G.729 is the standard compressed codec.
- ✗
H.264
Why it's wrong here
H.264 is for video.
- ✗
MP3
Why it's wrong here
MP3 is not used for real-time voice calls.
About these practice questions
Courseiva writes every CLCOR question from scratch — 263 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. 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.