It shows the full layout of a slide

The answer to this question is given in the explanation section

Explanation:

You can use the different layout of a slide using slide layout under the Home tab in the Slides group of commands.

However, you can show the full layout of a slide on a complete screen, clicking on the slide show button appeares at the right bottom of Microsoft PowerPoint.  However, you can also use to show the full layout of a slide using slide sorter and reading view.

answer; i believe that technician a is correct;