問題文
A solution integrates an existing partner agent and an existing internal tool server. Which pair of integration decisions is correct?
選択肢
- Wrap both behind a single custom adapter with no standard protocol, so that the solution has one integration surface to maintain and neither the partner agent nor the tool server can change in a way that breaks callers
- Reach both over MCP, treating the partner agent as a tool
- Reach both over A2A, treating the tool server as an agent
- Reach the partner agent over A2A with its capabilities discovered from its agent card, and reach the tool server over MCP with the allowed tool set restricted