Which type of network media carries data encoded into impulses of light?
- coaxial cable
- wireless media
- fiber-optic cable
- twisted-pair cable
Explanation: Data is transmitted across a network on media. Modern networks primarily use three types of media to interconnect devices:
- Metal wires within cables (copper cable) - Data is encoded into electrical impulses. Twisted Ethernet cable and coaxial cable are two types of copper cable.
- Glass or plastic fibers within cables (fiber-optic cable) - Data is encoded into pulses of light.
- Wireless transmission - Data is encoded via modulation of specific frequencies of electromagnetic waves.
Exam with this question: Networking Basics - 6.2.3 Network Media Quiz
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