What node category is used to enable integrations running in IBM App Connect on IBM Cloud for performing aggregation-style operations?

What node category is used to enable integrations running in IBM App Connect on IBM Cloud for performing aggregation-style operations?A . Messaging NodesB . Group NodesC . Transaction NodesD . Callable Nodes View Answer Answer: B Explanation: https://developer.ibm.com/integration/blog/2018/10/08/ibm-app-connect-enterprise-now-supports-group-nodes/...