Cisco Ccna Exam Questions: In LAN installations where potential electrical hazards or electromagnetic interference may be present, what type of media is recommended for backbone cabling?

In LAN installations where potential electrical hazards or electromagnetic interference may be present, what type of media is recommended for backbone cabling?

coax
fiber
Cat5e UTP
Cat6 UTP
STP

ccna exploration 1 chapter 8 Exam Question And Answers

In LAN installations where potential electrical hazards or electromagnetic interference may be present, what type of media is recommended for backbone cabling?