1920 x 1080 on CDVR specs page, 1080i or 1080p?

#1

When I see on some streams
Native resolution 1920 x 1080
Is that 1080i or 1080p??
does frame rate answer the question?
29.97 fps = 1080i, 59.94 fps = 1080p

#2

Yes, you got it.

#3