1 of 1 CSC 492: Distributed Systems and Parallel Processing Homework 1 les for the homework: If you copy your work from any source including the classmates, this will result in grading your homework as a zero credit (MAKE SURE NOT TO COPY AND PASTE), Deadline is March 11, 2022. 1. Why a middleware is needed in distributed systems? Explain your answer with examples. 2. Does OSI support QoS and multicasting? Explain your answer. 3. What are the differences between a stateful and stateless connection? Give examples 4. Can we entirely hide the occurrence of failures and the recovery from those failures in a distributed system? Why or why not? Describe your