What capability should an Integration Architect consider if there is a need to synchronize data changed in Salesforce to a 3rd party with a JSON-based API endpoint?

What are two benefits an Integration Architect should consider when recommending web-to-lead?Choose 2 answers

Universal containers decided to use Salesforce sales cloud for their sales processes won Opportunities must be sent to external ERP system for order fulfillment. All the line items must alsobe sent along with Opportunities.
The ERP system supports only SOAP- based messages for receiving orders. What limitation of outbound messages might present a problem in this scenario?