A technician receives a report that a user’s workstation is experiencing no network connectivity. The technician
investigates and notices the patch cable running from the back of the user’s VoIP phone is routed directly under
the rolling chair and has been smashes flat over time. Which of the following is the most likely cause of this
issue?

A.
Cross-talk

B.
Electromagnetic interference

C.
Excessive collisions

D.
Split pairs