| Subject | English | Korean |
| comp., MS | authentication challenge | 인증 질문 (A dialog that requires the user to provide a response in order to authenticate to ILM "2") |
| comp., MS | authentication challenge activity | 인증 질문 활동 (A Windows Workflow Foundation activity that is used to configure a challenge that will be issued to a user in order to authenticate to ILM "2") |