Conference Call Audio & Visual Setup for Conference Calls 2

Question 1

What is the minimum recommended upload speed for a smooth 1080p video conference?

Accepted Answer

3–5 Mbps

Answer

A 1080p HD video stream typically requires 3–5 Mbps of upload bandwidth to transmit smoothly to other participants.

Question 2

Why is a wired Ethernet connection generally preferred over Wi-Fi for important conference calls?

Accepted Answer

It provides more stable, lower-latency connectivity with less interference

Answer

Ethernet eliminates wireless interference and signal fluctuation, delivering consistent bandwidth and lower latency than Wi-Fi.

Question 3

What is the purpose of noise suppression software in conference call applications?

Accepted Answer

To filter out keyboard clicks, fans, and other background sounds in real time

Answer

AI-based noise suppression identifies and removes non-voice sounds like typing, HVAC noise, and dog barks from the audio stream.

Question 4

When should a presenter close unnecessary applications before starting a screen share?

Accepted Answer

Before starting the meeting, to prevent notifications and reduce lag

Answer

Closing unused apps prevents embarrassing notifications from appearing on screen and frees CPU/GPU resources for smoother screen sharing.

Question 5

What does 'virtual background' technology allow a participant to do during a video call?

Accepted Answer

Replace their real background with a custom image or video

Answer

Virtual backgrounds use AI segmentation or green screen keying to substitute the participant's actual environment with any chosen image or video.

Conference Call Practice Test