Which data source can you not use for polling devices?

Which data source can you not use for polling devices?

• A. A custom property value through on the Orion Web Console
• B. SNMP v2c
• C. WMI
• D. NetFlow

Answer: (A)

When pulling data from devices, the poller relies on mechanisms that actually retrieve metrics from the device. SNMP v2c and WMI are classic examples of such polling methods: they actively query counters and statistics from the device to gather performance data. NetFlow, while a valid data source in Orion, provides traffic flow information rather than standard device performance counters and is collected from exporters on devices, not polled in the same way as SNMP or WMI. A custom property value stored in the Orion Web Console, however, is simply metadata attached to a device. It does not generate or retrieve performance data and cannot drive polling. Therefore, a custom property value cannot be used as a data source for polling devices.

When pulling data from devices, the poller relies on mechanisms that actually retrieve metrics from the device. SNMP v2c and WMI are classic examples of such polling methods: they actively query counters and statistics from the device to gather performance data. NetFlow, while a valid data source in Orion, provides traffic flow information rather than standard device performance counters and is collected from exporters on devices, not polled in the same way as SNMP or WMI. A custom property value stored in the Orion Web Console, however, is simply metadata attached to a device. It does not generate or retrieve performance data and cannot drive polling. Therefore, a custom property value cannot be used as a data source for polling devices.