[oS-EN] New zypper question

Telcontar:~ # zypper install powertop ... Reading installed packages... Resolving package dependencies... The following 2 NEW packages are going to be installed: powertop powertop-lang 2 new packages to install. Overall download size: 231.0 KiB. Already cached: 0 B. After the operation, additional 596.5 KiB will be used. Backend: classic_rpmtrans Continue? [y/n/v/...? shows all options] (y): Huh? What's that? Backend choice? This is Leap 15.5 -- Cheers / Saludos, Carlos E. R. (from Telcontar, using openSUSE Leap 15.5)