AWS Technical Essentials Practice

AWS Organizations provides a powerful way to centrally manage multiple AWS accounts in a scalable manner. This organizational structure allows users to create and manage new AWS accounts easily and applies consistent policies across those accounts. By leveraging AWS Organizations, users can unify billing across all linked accounts, which simplifies cost tracking and management because it groups charges into a single invoice.

Additionally, AWS Organizations enables users to set up service control policies (SCPs) to define permissions across accounts. This way, users have the capability to control access to AWS services at a granular level, enhancing security and compliance across their organizational structure. Thus, the benefit of centralized billing management and policy enforcement significantly streamlines operations for businesses with multiple AWS accounts, facilitating better governance and oversight.

The other options do not address the primary capabilities of AWS Organizations: single sign-on is managed through AWS Single Sign-On, dedicated services are not specifically provided for each account but rather as part of the broader AWS offering, and resource optimization is typically achieved through AWS services like Trusted Advisor and Cost Explorer, which are separate from the organizational management capabilities.