True or False: A profiled host is a host running a profiled application and sending profiling data to the Datadog agent.

A profiled host is indeed characterized by running a profiled application and transmitting profiling data to the Datadog agent. Profiling involves monitoring how applications perform, capturing metrics such as CPU, memory usage, and execution time of various code segments. In this context, a profiled host is essential because it provides visibility into the application’s behavior, allowing developers and operators to identify performance bottlenecks or resource-intensive sections of their code.

When profiling data is sent to the Datadog agent, it enables comprehensive insights and analytics that help improve application performance and ensure reliability. This integration between the application and the Datadog agent is fundamental for effective monitoring and debugging. Therefore, the statement is true, as it accurately defines what a profiled host is in the context of Datadog's monitoring capabilities.