Which of the following can be used to test for faulty cabling and connectors?

A.
Continuity testers.

B.
Time Domain Reflectometers (TDRs).

C.
Cabling testers.

D.
All of the above.

Explanation:
You can use cabling testers, continuity testers or the more expensive Time Domain Reflectometers (TDRs) to test for faulty cabling and connectors.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 501-503.