Q1.Smart meters in power networks use LTE as a solution to transmit data to the backhaul network. What are the best LTE practices globally (Public vs. Private) broadband in terms of security? The answer should include a table showing the comparison (Pros and Cons) ?

Unlike third generation networks (3G), fourth generation networks (4G) carry voice and data together. How does this increase spectral efficiency of cellular networks?

The last one is RESIGN INACCURACIES this relates to the type of machine or the process used during printing; the printers have a low tolerance meaning that the final product or parts after printing looks different from the original design. It could be fixed but this will increase the time and cost of production.