Free Access BICSI.RCDD.v2026-01-14.q121 Practice Test (Page 23)

Data representation including code translations, compressions, and encryptions is performed by what layer of the OSI model?

A.Layer 3

B.Layer 4

C.Layer 5

D.Layer 2

E.Layer 6

Surge currents due to lightning and other sources MUST be ________ before they penetrate the infrastructure.

A.Equalized

B.Terminated

C.Maximized

D.Shorted

The required minimum clearance of telecommunication cable above street and driveway surfaces is which of the following?

A.18 feet vertically

B.23.5 feet vertically

C.15.5 feet vertically

D.10 feet vertically

Which of the following is NOT provided by the ac grounding electrode system?

A.A path for dissipating electrostatic discharge

B.A path for dissipating electrical current

C.Zero volt reference for AC power

D.Adequate electrical protection for people and equipment

Optical fiber all-dielectric cables have an additional advantage over ones containing a steel strength member. That advantage is:

A.More difficult to damage

B.More resistant to lightning and electrical conduction

C.More resistant to rodent damage

D.Cables are made of a tougher outer PVC jacket

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