A feature of Network Watcher which can troubleshoot the health of the gateway, or connection, and provide detailed logging. The request is a long running transaction and results are returned once the diagnosis is complete. __________ __________ gateways provide connectivity between on-premises resources and other __________ __________s within Azure. Monitoring gateways and their connections are critical to ensuring communication is working as expected. ____________________ can troubleshoot the health of the gateway, or connection, and provide detailed logging.