16- What are the challenges with building scalable distributed systems? 17- Give an example for the Distributed systems of systems? 18- .... and ......are two architectural styles stemming from the...

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Extracted text: 16- What are the challenges with building scalable distributed systems? 17- Give an example for the Distributed systems of systems? 18- .... and ......are two architectural styles stemming from the role of individual processes. 19- What is Thin Client refers to? 20- Explain about below figure. Copy of m The enemy m' Process p m Process q Communication channel