Which Check Point software blade monitors Check Point devices and provides a picture of network and security performance?

Application Control is a policy enforcement blade that identifies and controls application usage; it does not provide infrastructure performance monitoring.

Threat Emulation is a sandboxing blade that detonates suspicious files to detect malware; it does not monitor device or network performance metrics.

Logging and Status handles log collection, storage, and basic gateway status indicators, but it does not provide the comprehensive performance picture that the Monitoring blade delivers.

The Monitoring software blade collects and presents performance data for Check Point gateways and management servers, including traffic throughput, connection rates, CPU and memory usage, and VPN tunnel status. It provides the unified dashboard view of network and security performance across managed devices that the question describes.