Describe the benefits of using RAC and the main features it offers.

please put it on the paper for better understanding. thanks

Which application architectures are appropriate for the following applications (name and draw a rough sketch of the architecture, identifying the roles and information exchanged). In some cases, the best architecture may differ from what is currently commonly done. This includes identifying the interaction modality Turn a light on or off via the Internet of things; Be alerted when there's a snowstorm on the way; Efficiently distribute the Superbowl by video to millions of viewers at home (by internet protocols, not cable TV); Update the Slack or Discord channel in a browser when somebody adds a message.   All instructions provided

3 civil engineering-related inventions that are now in use. Additionally, their concept and flaws