What does the Cross-Org adapter utilize to access data from other Salesforce orgs?

The Cross-Org adapter leverages REST API calls from the Lightning Platform to access data from other Salesforce orgs. This approach utilizes a lightweight and efficient protocol that is well-suited for web services. REST APIs are designed for speed and performance, allowing seamless integration and interaction between different systems or services.

By using the REST API, the Cross-Org adapter can efficiently retrieve data in real-time from other Salesforce environments, which is crucial for organizations that require up-to-date information across their various Salesforce instances. This method also facilitates easier implementation of modern web standards, making it compatible with a wider range of applications and services.

The other methods listed, such as SOAP API calls, Bulk API calls, and CSV file imports, do not provide the same level of real-time access or lightweight architecture that the Cross-Org adapter needs for effective data interaction across different Salesforce orgs. Therefore, REST API calls from the Lightning Platform are the most appropriate choice for this functionality.