What are the basic functions of managing the data resource? How are these functions different in a global company as opposed to an exclusively local company? Identify and describe at least three categories of physical media in use in telecommunications networks today. Which of these media has the highest bandwidth? Which has the least bandwidth? Discuss the problems or pitfalls of doing data planning and modeling. How can these be alleviated? Discuss the advantages and uses of data modeling. Identify the difference between analog and digital signals. Provide an example of a digital signal and an analog signal. Which type are you more likely to encounter? Why?