On the ENA and ENA-L, is there a SCPI command to query the active trace?

(SUPPORTED MODELS IN BOLD: E5071C E5070B/71B E5070A/71A E5061A/62A E5061B E5072A)

Yes, the SCPI command to query the active trace on the ENA and ENA-L is:

:SERVice:CHANnel{[1]-36}:TRACe:ACTive?