Design and analyze a smart city infrastructure for sustainable urban development. Given:Specify the smart city objectives, including energy efficiency, traffic management, and public safety initiatives.Design IoT $($Internet of Things$)$ sensor networks for real$-$time data collection and environmental monitoring across urban areas.Evaluate cloud computing architectures and edge computing solutions for data processing, storage, and analytics in smart city applications.Discuss the integration of smart grid technologies, renewable energy sources, and energy storage systems for optimizing power distribution and consumption.Analyze the implementation of AI$-$driven algorithms and predictive analytics for optimizing traffic flow, emergency response times, and resource allocation.Propose cybersecurity measures, including blockchain technology and data encryption, to safeguard sensitive information and infrastructure integrity.Assess citizen engagement strategies, including mobile applications and digital platforms, for enhancing community participation and governance transparency in smart city initiatives.

Give example of backend technologies.