What type of source is used for testing singlemode fibers?

• A.LED
• B.Laser
• C.VCSEL

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Why are punchdown blocks used with Cat 3 and Cat 5 cabling?

• A.Interconnect cables in a telecom closet
• B.Change from T568A to T568B terminations
• C.Terminate cables from equipment
• D.Meet EIA/TIA 568 Standards

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What wavelengths are appropriate for use with singlemode fiber?

• A.1310 & 1550 nm
• B.850 & 1490 nm
• C.850 & 1300 nm
• D.650 & 850 nm

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Rays of light transmitted in multimode fiber are called \_\_\_\_\_\_\_\_\_\_.

• A.Waves
• B.Modes
• C.Reflections
• D.Refractions

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What is the installed cable plant from work area outlet jack to the patch panel in the telecom closet called?

• A.Permanent link
• B.Channel
• C.Patchcord
• D.Link cable

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