Questions:
Describe what types of applications that might use frequency division multiplexing (FDM), time division multiplexing, and dense wavelength division multiplexing. How do the four components of the physical layer of the open systems interconnection (OSI) model relate to FDM?
Your paper should contain a minimum of 300 words and be formatted using APA style. Use your own words, and include citations and references as needed to avoid plagiarism.