What is the standard everyone in the USA refers to as the basis of structured cabling?

• A.EIA/TIA TR42
• B.EIA/TIA 568
• C.NEMA 63.1999
• D.IEEE 802.3

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Until Gigabit Ethernet, LANs only used \_\_\_\_\_\_ pairs of the UTP cable.

• A.1
• B.3
• C.4
• D.2

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The loss of a singlemode fiber is lowest at \_\_\_\_\_\_\_\_\_\_.

• A.1300 nm
• B.850 nm
• C.1310 nm
• D.1550 nm

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Supports for UTP cables should be __________.

• A.Wide enough to support cables without distortion
• B.Mounted on walls, not ceilings
• C.Made of plastic for safety
• D.Able to support deep bundles of cables

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What do UTP Category 3, Category 5e and Category 6 designations indicate?

• A.How far the cable will work in networks
• B.UL-rated Flame retardance of the cable
• C.The frequency performance grade of the cable
• D.They are trade names for cable types

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