Standard UTP (unshielded twisted pair) copper cabling for voice and data installations has how many pairs of wire?

• A.Four
• B.Three
• C.Twenty-five
• D.Two

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Both equpment rooms and telecom rooms should have \_\_\_\_\_\_\_\_\_\_.

• A.Uninterruptible power
• B.All of the above
• C.Data quality ground
• D.Air conditioning

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Which punchdown block is more often used with POTS telephone connections?

• A.Krone block
• B.66 block
• C.110 block
• D.Bix block

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Which multimode insertion loss test reference method is required in industry standards?

• A.OFSTP-14
• B.FOTP-34
• C.Any method as long as it is documented
• D.FOTP-171

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Multiple Response: Identify one or more choices that best complete the statement or answer the question.
Singlemode transceivers use \_\_\_\_\_\_\_\_\_\_ sources for their higher coupled power and bandwidth.

• A.LED
• B.F-P lasers
• C.VCSEL
• D.DFB lasers

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