ch. Amazon has stated that it only saves commands directed to its digital www.TechnicalPDF.com assistants, not other random speech spoken in the same room. It further has stated that each user is associated with a particular randomly selected code and that Amazon does not know which user is associated with any code associated with customers' speech. Possible Long-Term Impact of Digital Assistants In addition to privacy, concerns about digital assistants revolve around depersonalization resulting from less need for communications between people. As people increasingly turn to computers to get information will they have less of a requirement to speak to each other? In addition to privacy and depersonalization, there are worries about a possible decrease in children's ability to do math. This is because "asking Alexa" provides children solutions to even complex math problems. It's still early days in the availability of digital assistants to know for certain what its impact will be in the future. In the early days of calculators, many thought children would not learn basic math skills. Each new innovation brings concerns. The answers to these concerns are initially unknown. APPENDIX Table 2-2 LAN Protocols, Devices, and Terms Protocol, Service, or Device Description The wiring running from floor to floor in single buildings and from building to building within a campus. A backbone connects switches in different wiring closets to one another. Backbones support high concentrations of traffic in carrier and enterprise networks. Blade servers are computers packaged on individual boards- blades-that plug into slots in a chassis. A chassis is the metal frame on which components fit, similar to a custom cabinet with slots for specific items. In high density, chassis blades are www.TechnicalPDF.com arranged vertically. In low density, three- or four-blade servers, they are arranged horizontally. Chassis are placed on racks in data centers. Vertical arrangements conserve space and can share power supplies, fans, and cabling.