For chapter 4 (Frames and Errors), present a significant takeaway that should be of interest to an IT manager and explain why that takeaway is important. Side question . . . . I have good hearing in only my right ear. I listen to non-fiction audiobooks while driving by myself or running. Should I use lossless data compression when transferring my audio CDs to iTunes? Or will lossy compression suffice? Justify your answer. For chapter 5 (Wired and Wireless LANs), conduct research on a modern Ethernet switch and provide recommended specs for our tech team to review. Assume this switch will be used at a new Webster University campus under construction. Identify a candidate switch and provide basic specifications such as port speeds, number of ports, cable types supported, backplane speed, etc