For a building with up to 100,000 sq. ft. of usable floor space, what would be the minimum size of the back board, in an entrance facility, to accommodate up to 1200 copper pairs, protected and terminated in a manner suitable for cross-connection requirements?

• A.One 4 ft X 4 ft. X 3/4 inch plywood.
• B.One 4 ft X 8 ft. X 3/4 inch plywood.
• C.One 2 ft X 4 ft. X 3/4 inch plywood.
• D.Two 4 ft X 8 ft. X 3/4 inch plywood.

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A ________ eliminates the need to remove or install materials.

• A.Fire-rated pathway device
• B.Cast-in-place device
• C.Cable transit system
• D.Factory fabricated sleeve system

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NRZ is the acronym for which of the following?

• A.Normal return zone.
• B.Network registration zone.
• C.Non-return to zero.
• D.Nominal return zone.

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All of the following are used to control static discharge EXCEPT:

• A.Discharge plates and bracelets
• B.Maintenance of humidity of between 30 and 55 percent
• C.Ion generator
• D.Installation of isolated grounds

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Within a data center, if you have dual path connectivity between the primary entrance room and secondary entrance room, in addition to dual connectivity between these two rooms and the main distribution and secondary distribution areas, what tier level would this infrastructure design represent?

• A.Tier I
• B.Tier III
• C.Tier II
• D.Tier V
• E.Tier IV

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