Which of the following situations cannot cause injuries to employees? Choose all options that apply.

A.
Cables that are inappropriately routed within walkways.

B.
Cables that are carelessly deployed.

C.
Deploying AC cables at right angles to audio.

D.
All of the above.

Explanation:
Deploying AC cables at right angles to audio can assist in reducing AC hum in audio circuits.
Incorrect Answers:
A, B: Cables that are inappropriately routed within walkways or that are carelessly deployed can cause serious harm to employees that might happen to trip over them.
D: Deploying AC cables at right angles to audio cannot cause harm to employees, but can assist in reducing AC hum in audio circuits.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 456-457.