What is a key focus of the TOGAF ADM?

The key focus of the TOGAF Architecture Development Method (ADM) is on developing enterprise architecture. This methodology provides a structured approach to designing, planning, implementing, and governing an enterprise's architecture, facilitating a comprehensive framework for aligning business goals with IT strategy.

TOGAF ADM emphasizes the iterative process of architecture development, allowing organizations to tailor their architecture to meet specific business needs and to adapt to changing circumstances. It covers various phases of architecture development, from preliminary considerations to the final implementation and ongoing management.

In this context, enterprise architecture serves as a blueprint that not only defines the structure of an organization’s processes and systems but also provides a comprehensive model that ensures the alignment of technology investments with business objectives. This leads to improved flexibility, efficiency, and effectiveness within the organization.

The other options, while important in their own right, do not capture the primary focus of TOGAF ADM. Testing software applications is more aligned with quality assurance roles, managing IT infrastructure relates more to operations rather than architecture development, and creating business models focuses on business strategy rather than the structural framework governed by enterprise architecture principles.