Cloud computing provides on-demand access to shared computing resources like servers, storage, databases, networking, analytics and more over the internet. There are different types of cloud computing models including public cloud, private cloud, and hybrid cloud. Cloud computing offers many benefits like cost effectiveness, speed, scalability, productivity and performance. A career in cloud computing requires skills in security, technology, data analysis, project management and more. Popular cloud certifications include AWS, Microsoft Azure, IBM, Google Cloud and VMware which can help find opportunities in cloud development, hosting, optimization and more.