Why is it wrong to interpret an absence of agent data as a sign that everything is healthy?
Select an answer to reveal the explanation.
Short Explanation
Silence isn’t good news. If you don’t have agent data, your monitoring path has failed, and the system could be healthy or badly broken—you just can’t see it.
Full Explanation
The correct answer is that no data means the monitoring path has failed; the monitored systems could be in any state, including a serious failure that is now invisible. Losing telemetry removes the ability to observe, and the most dangerous case is a host failing because of the same condition that stopped the agent reporting. The claim that Instana suppresses telemetry from healthy hosts to save storage is incorrect because healthy hosts continue to report. The claim that healthy hosts report at a reduced interval that appears as no data is incorrect because reporting intervals do not drop to nothing based on health. The claim that absence of data always indicates decommissioning is incorrect because decommissioning is only one possible cause among several. For the exam, treat missing telemetry as a monitoring failure requiring investigation.