A ________ displays in the lower left corner of the slide while the slide show is running

Case-Based Critical Thinking QuestionsCase 7-2Kyra is quizzing her friend Leon about the various options available in CSS to direct parts of the Web page to different output devices, in preparation for his test tomorrow.Which of the following selectors will hide the nav and footer elements, according to Leon?

A. nav, footer{      display: not; } B. nav, footer{      display: none; } C. nav, footer{      display: ; } D. nav, footer{      display: false; }

If a user has more than one type of authentication credential, what type of authentication is being used?

A. pattern authentication B. verified authentication C. multifactor authentication D. token authentication