Activity 1- Distributed Computing During the week six lecture, we discussed several new terms and concepts. Based on what you have learnt, answer the following questions. 1. Briefly describe scale-out, scale-up, their differences, and their use cases. 2. Provide concrete definitions and examples of the following terms/concepts and provide an: Distributed database, Distributed computing, Distributed file systems, Distributed applications. 3. Name and explain the seven major challenges in designing an ideal distributed system. If possible, provide a use case for each to highlight their importance.