Which media type is the MOST susceptible to electromagnetic interference (EMI)?

A.
Category 5 UTP cable

B.
RG-8 coaxial cable

C.
Single-Mode Fiber Optic cable

D.
MultiMode Fiber Optic cable

Explanation:
UTP cable is susceptible to EMI.
Incorrect Answers:
B: RG-8 coaxial cable is also susceptible to EMI, but not to the same extent as UTP.
C: Fiber optic cable is immune to EMI.References:David Groth and Dan Newland, A+ Complete
Study Guide (2nd Edition), Sybex, Alameda CA, 2002, pp. 325,327.David Groth and Toby
Skandier, Network+ Study Guide (4th Edition), Sybex, Alameda CA, 2005, pp. 19-20, 25-27.
D: Fiber optic cable is immune to EMI.References:David Groth and Dan Newland, A+ Complete
Study Guide (2nd Edition), Sybex, Alameda CA, 2002, pp. 325,327.David Groth and Toby
Skandier, Network+ Study Guide (4th Edition), Sybex, Alameda CA, 2005, pp. 19-20, 25-27.