Assessment Test
- The decade that saw the first full-scale commercial application of fiber-optic communication systems was
A. The 1880s
B. The 1920s
C. The 1960s
D. The 1970s
- Which of the following groups describes the components in a fiber-optic link?
A. Transmitter, receiver, optical fiber, decoder
B. Transmitter, receiver, optical fiber, connectors
C. Transmitter, receiver, optical fiber
D. Transmitter, receiver, optical fiber, cabling
- In a fiber-optic link, which component has an input of electrical energy and an output of light energy?
A. Connector
B. Optical fiber
C. Receiver
D. Transmitte
- A 50 percent reduction in signal strength is a loss of ____________________________.
A. 3dB
B. 3dBm
C. 7dB
D. 7dBm
- Refraction is caused by ____________________________. ...
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