Which of the following is used to check for a break in a Cat5 cable?
A.
A multimeter
B.
A wire crimper
C.
An optical tester
D.
A punch down tool
Explanation:
A multimeter is a device that is used to measure voltages and resistances in electronic components. It can also be used to test for continuity in a wire. A continuity test will indicate if there is a break in the wire.
Incorrect Answers:
A: A wire crimper is used to attach RJ-45 connectors to a cable by using pressure to press some kind of metal teeth into the inner conductors of the cable. It is not used to test for faults in the cable.
C: An optical tester is a device that measures the quality of strength of light signals passing through an optical cable.
D: A punch down tool is used to insert the wire in the IDC (insulation displacement connector).
References:
David Groth and Dan Newland, A+ Complete Study Guide (2nd Edition), Sybex, Alameda CA, 2001, pp. 30-34.
David Groth and Toby Skandier, Network+ Study Guide (4th Edition), Sybex, Alameda CA, 2005, pp. 270, 271-272.