What protocol is most likely to be listening on those ports?

Samantha has been actively scanning the client network for which she is doing a vulnerability assessment test. While doing a port scan she notices ports open in the 135 to 139 range. What protocol is most likely to be listening on those ports?

Samantha has been actively scanning the client network for which she is doing a vulnerability assessment test. While doing a port scan she notices ports open in the 135 to 139 range.