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Question 695 - 220-1101 discussion

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Which of the following allows for a beam of light to transmit data through a flexible cable?

A.

Coaxial

Answers
A.

Coaxial

B.

HDMI

Answers
B.

HDMI

C.

Thunderbolt

Answers
C.

Thunderbolt

D.

Single-mode fiber

Answers
D.

Single-mode fiber

Suggested answer: D

Explanation:

Single-mode fiber uses a beam of light to transmit data over long distances through a very thin, flexible cable. It is commonly used for high-speed data transmission across wide areas, such as between buildings or over long distances within a network. Single-mode fiber offers a higher bandwidth and longer distance capabilities compared to other types of fiber optics.

D . Single-mode fiber: Transmits data using light through a fiber optic cable, making it ideal for long-distance communication.

Why the other options are incorrect:

A . Coaxial: Coaxial cables use electrical signals, not light, to transmit data.

B . HDMI: HDMI (High-Definition Multimedia Interface) is used for transmitting audio and video signals but does not use light for data transmission.

C . Thunderbolt: Thunderbolt cables transmit data using electrical signals and are typically used for high-speed data transfer and display connections.

This falls under the Networking and Hardware domain in the CompTIA A+ Core 1 exam.

asked 06/10/2024
Cintron, Rigoberto
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