Exact Extract: “Workers: Correlation, real-time, and historical search.” The guide also states: “For larger environments that need greater event handling throughput, you can deploy FortiSIEM in a cluster of supervisor and worker VMs.”
The correct answer is B. FortiSIEM workers are responsible for correlation, real-time analytics, and historical searches. If a large enterprise deployment is experiencing delays specifically in log correlation and analytics, the correct architectural scaling action is to add more workers. Collectors help with distributed collection and discovery, but they do not solve analytics-processing bottlenecks. The Supervisor hosts the UI, CMDB, and reporting, so simply increasing supervisor resources is not the best targeted fix. A is a tuning option, not the appropriate architectural scale-out answer.
Technical Deep Dive: In large FortiSIEM designs, collectors reduce collection load and WAN complexity, while workers increase analytics throughput. If correlation latency grows, check EPS, rule volume, search workload, storage backend performance, and worker utilization. Scaling workers distributes event processing and search operations more effectively. FortiGate NP/CP offloading is unrelated because this bottleneck exists inside FortiSIEM analytics infrastructure.
