It is necessary to consider the functions for accessing to learning content within LMS. e.g.1) Is streaming service of video contents provided? e.g.2) Are various functions for protecting copyright (E.g., no use of the right button of the mouse, no exposure of absolute path, etc.) provided? Data creation among teachinglearning It is necessary to consider the functions of **data** produced by teachers and learners. e.g.1) Can teachers provide feedback on submitted works and **data** to learners? e.g.2) Is it possible to confirm the version (or date) or author of LMS created data? e.g.3) Is it possible to upload created **data** without system error?