These questions are regarding wireless networking. Please provide well described answers to the following questions so that it will be easy to understand. Thank you.

Q1 The air interface between the mobile handsets and the equipment at antennas and towers are only wireless part of mobile networks. What other equipment is required to get cell signals into the backhaul network?

Q2. Using Orthogonal Frequency-Division Multiplexing in LTE networks removes the need for guard bands. What impact does this have on the available spectrum?

Q3.In a Mesh Network, all nodes connect to one another in a flat or non-hierarchical manner. Core or backbone networks are often designed in this manner. Why is that?

Q4.Why are Middle Mile Networks connected to rural areas so expensive? How does this compare to the expense of connecting office and apartment buildings to the network?

Q5. Explain why there are regulations in place requiring that certain businesses such as Hospitals, Financial Firms, and Government Agencies save their data for three or more years

Q6. Describe Deep Packet Inspection and how it allows for the Monitoring, Prioritization, and Censoring of data.