Which of the following is a key component of a successful enterprise architecture according to TOGAF?

Effective stakeholder communication is indeed a key component of a successful enterprise architecture according to TOGAF. This is pivotal because enterprise architecture involves aligning business strategies with IT strategies, and stakeholders play a crucial role in both the development and implementation of architectural frameworks.

When stakeholders are effectively engaged, they can provide valuable insights, requirements, and feedback, which ensures that the architecture is aligned with the organization's needs and objectives. Effective communication helps to build consensus among stakeholders, foster collaboration, and facilitate the adoption of the architecture across various levels of the organization.

Clear communication also aids in managing expectations and addressing any concerns that stakeholders may have, which is essential for the success of any architectural initiative. By ensuring that all parties are informed and involved, organizations can enhance their ability to achieve their business goals through effective enterprise architecture practices.

In contrast, while budget allocations, complex modeling techniques, and minimization of resource use can contribute to specific projects or aspects of architecture, they do not encompass the broad requirement of engaging and aligning all key players in the architecture process as effectively as stakeholder communication does.