DCI Copper Cable Termination 4

Question 1

What is the FIRST step a technician should perform before terminating a horizontal cable at a telecommunications outlet?

Accepted Answer

Label both ends with the port identifier

Answer

Strip the outer jacket back at least 50 mm

Answer

Test the cable with a toner probe

Answer

Install the keystone jack into the faceplate

Question 2

A punch-down tool blade is installed backwards. What is the MOST likely result?

Accepted Answer

The conductor is seated but not cut

Answer

The conductor is cut but not seated

Answer

The insulation is damaged without seating

Answer

No damage occurs; the tool still works

Question 3

Which Cat 6A cable construction is required when installed in a plenum air-handling space?

Accepted Answer

CMP-rated (plenum) jacket

Answer

CMR-rated (riser) jacket

Answer

CM-rated general-purpose jacket

Answer

CMX-rated limited-use jacket

Question 4

What does an IDC (Insulation Displacement Connector) do during termination?

Accepted Answer

Pierces the insulation to contact the conductor without stripping

Answer

Strips the insulation before clamping the bare conductor

Answer

Crimps the jacket to provide strain relief

Answer

Twists the conductor for mechanical retention

Question 5

Which test parameter verifies that a cable link is free of split pairs AND correctly wired?

Accepted Answer

Wire map

Answer

Insertion loss

Answer

Answer

Return loss

Question 6

A Cat 5e field termination fails the TDR length test showing 110 m on a run measured at 85 m. The MOST probable cause is:

Accepted Answer

Incorrect NVP setting on the tester

Answer

Excessive slack or service loops in the cable run

Answer

A short circuit between two conductors

Answer

The cable exceeds Cat 5e frequency range

Question 7

What is the maximum total channel length for a Cat 6 horizontal cabling system per TIA-568?

Accepted Answer

100 m (328 ft)

Answer

90 m (295 ft)

Answer

70 m (230 ft)

Answer

55 m (180 ft)