What is the GREATEST advantage of using web services for information exchange between systems?

The greatest advantage of using web services for information exchange between systems is efficient interfacing. Web services enable different applications or systems to communicate over the internet using standard protocols such as HTTP and XML or JSON for data formatting. This standardization allows disparate systems to integrate more easily, as they do not need to rely on specific programming languages or platform-specific technologies.

Efficient interfacing means that organizations can quickly develop and deploy integrations between their systems without needing extensive customization or development work. This leads to reduced time and resources spent on interfacing and enhances overall interoperability. Different systems can exchange information seamlessly, making data access and sharing between applications much more straightforward and efficient.

While secure communication, improved performance, and enhanced documentation are important aspects to consider when using web services, they do not match the core benefit of efficient interfacing in terms of enabling diverse systems to work together easily and effectively.