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Question 640 - 220-1101 discussion

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A user connects a laptop to a conference room audiovisual system using a VGA cable. The TV displays the image correctly, but the audio is not working. Which of the following will most likely resolve the issue?

A.
Replacing the VGA cable
Answers
A.
Replacing the VGA cable
B.
Switching inputs
Answers
B.
Switching inputs
C.
Using HDMI to connect
Answers
C.
Using HDMI to connect
D.
Restarting the audiovisual system
Answers
D.
Restarting the audiovisual system
Suggested answer: C

Explanation:

VGA (Video Graphics Array) cables transmit analog video signals only and do not carry audio signals. When a user connects a laptop to an audiovisual system using a VGA cable, the lack of audio is due to VGA's inability to transmit sound. Switching to an HDMI (High-Definition Multimedia Interface) cable, which supports both audio and video signals, will most likely resolve the issue by enabling the transmission of sound to the audiovisual system alongside the video.

CompTIA A+ Core 1 (220-1101) Exam Objectives, specifically sections related to peripherals and connectors, which would cover the capabilities of different types of cables and connectors, including VGA and HDMI.

Basic understanding of the functionality of common video and audio cables and connectors, emphasizing the distinction between VGA cables, which only support video signals, and HDMI cables, which support both video and audio signals.

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asked 02/10/2024
Adnan Safdar
33 questions
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