DCI Fiber Optic Installation 2

Question 1

What is the minimum bend radius typically allowed for a standard single-mode fiber optic cable during installation?

Accepted Answer

20 times the cable diameter

Answer

10 times the cable diameter

Answer

5 times the cable diameter

Answer

50 times the cable diameter

Question 2

Which tool is specifically used to cleave fiber optic strands before splicing?

Accepted Answer

Precision cleaver

Answer

Fiber stripper

Answer

Optical power meter

Answer

OTDR unit

Question 3

When pulling fiber through conduit, what is the maximum pulling tension typically allowed for a standard 6-fiber loose-tube cable?

Accepted Answer

200 lbf

Answer

600 lbf

Answer

100 lbf

Answer

400 lbf

Question 4

What does an OTDR trace's 'dead zone' refer to?

Accepted Answer

The area near the launch end where reflections mask real events

Answer

A section of fiber with no signal at all

Answer

A splice point with zero loss

Answer

The far end reflection of the fiber

Question 5

Which fiber optic connector type uses a push-pull latching mechanism and is commonly used in high-density patch panels?

Accepted Answer

LC

Answer

SC

Answer

ST

Answer

FC

Question 6

What is 'chromatic dispersion' in a fiber optic cable?

Accepted Answer

The spreading of a light pulse because different wavelengths travel at different speeds

Answer

Signal loss due to fiber bending

Answer

Reflection at a connector end-face

Answer

Cross-talk between adjacent fibers

Question 7

When installing fiber optic cable in a plenum space, which cable jacket type is required?

Accepted Answer

OFNP (plenum-rated)

Answer

OFNR (riser-rated)

Answer

LSZH (low-smoke zero-halogen)

Answer

Standard PVC jacket