According to the web search results, the primary benefit of communicating the IT strategy across the enterprise is to reduce organizational resistance during strategy execution. This is because communication can help to create a shared understanding and vision of the IT strategy, and to foster trust and commitment among the stakeholders. Communication can also help to address the concerns and expectations of different groups, and to overcome the barriers and challenges that may arise during the implementation of the IT strategy1. The other options are less important than option D, as they are not directly related to communication, but rather to other factors such as project management, performance measurement, and investment optimization. References :=

How to Communicate Your Company’s Strategy Effectively