Explain the concept of Regions and Availability Zones in AWS.

Are you embarking on your journey towards AWS certification? If so, understanding the fundamental concepts of AWS Regions and Availability Zones is paramount. These concepts form the backbone of AWS infrastructure and play a crucial role in architecting highly available, fault-tolerant applications on the cloud. In this comprehensive guide tailored for AWS Certification Training, we delve into the intricacies of AWS Regions and Availability Zones, elucidating their significance and practical implications.