Amazon Web Services (AWS) is the world's most comprehensive and broadly adopted cloud platform, launched by Amazon in 2006. AWS offers over 200 fully featured services from data centers globally, covering compute, storage, databases, networking, machine learning, analytics, security, and more. It holds the largest market share in the global cloud industry and serves millions of customers — from startups to Fortune 500 companies and government agencies. AWS certifications are among the most sought-after credentials in IT. The portfolio spans four levels: Foundational, Associate, Professional, and Specialty, covering roles such as cloud architects, developers, and operations engineers. An AWS certification is widely regarded as a strong signal of practical cloud expertise in any organization.