Free practice test

Telecommunications Technician Practice Test

Check what you know about the telecommunications technician job with 15 free questions and instant explanations.

Updated By the Career Education Institute Curriculum Team
About this practice test

15 multiple-choice questions on telecommunications technician knowledge, safety and vocabulary. Submit to see your score and explanations, or open any question’s answer as you go. Nothing is saved or shared.

Question 1 of 15Fiber optic cable carries data as:
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Answer: Light. Fiber uses light.

Question 2 of 15An OTDR is used to:
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Answer: Test fiber. It tests fiber lines.

Question 3 of 15Why never look into active fiber?
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Answer: Laser light can damage eyes. Invisible laser light is hazardous.

Question 4 of 15The demarc is:
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Answer: Where provider responsibility ends. It’s the demarcation point.

Question 5 of 15Tight cable bends cause:
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Answer: Signal loss. Respect bend radius.

Question 6 of 15Which term matches this definition: “A short connecting cable.”
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Answer: Patch cord. Patch cord: A short connecting cable.

Question 7 of 15What does “Coax” mean?
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Answer: Coaxial cable used for cable TV and internet.. Coax: Coaxial cable used for cable TV and internet.

Question 8 of 15Which term matches this definition: “Glass strands that carry data as light.”
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Answer: Fiber optic cable. Fiber optic cable: Glass strands that carry data as light.

Question 9 of 15What does “VoIP” mean?
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Answer: Voice over internet protocol.. VoIP: Voice over internet protocol.

Question 10 of 15Which term matches this definition: “The minimum curve a cable can safely make.”
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Answer: Bend radius. Bend radius: The minimum curve a cable can safely make.

Question 11 of 15What does “dB loss” mean?
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Answer: Signal loss measured in decibels.. dB loss: Signal loss measured in decibels.

Question 12 of 15Which term matches this definition: “Optical time-domain reflectometer for testing fiber.”
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Answer: OTDR. OTDR: Optical time-domain reflectometer for testing fiber.

Question 13 of 15What does “Drop” mean?
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Answer: The line from the network to a building.. Drop: The line from the network to a building.

Question 14 of 15Which term matches this definition: “A tool that melts fibers together.”
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Answer: Fusion splicer. Fusion splicer: A tool that melts fibers together.

Question 15 of 15What does “Demarc” mean?
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Answer: The point where provider responsibility ends.. Demarc: The point where provider responsibility ends.

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