What would cause telemetry logging to stop?

A new PoE+VoIP handset was added to an EX Series device. The handset is experiencing
connectivity issues. The EX Series device’s committed configuration includes the set poe interface
all telemetry command. You look at the telemetry log in the device to review power consumption
and you notice entries have not been occurring for days. What would cause telemetry logging to
stop?

A.
Telemetry logging only occurs for one hour by default.

B.
Telemetry logging stops when all reserves power for PoE has been consumed.

C.
Telemetry logging only works on Enhanced PoE VoIP handsets.

D.
Telemetry logging stops when the logging file reaches 128 KB.