The correct options are A text box, A complete report page, and An individual visualization from a report.

A text box lets you add explanatory content directly on the dashboard so you can provide context titles and insights for viewers. It is a simple way to annotate data and guide interpretation without changing the underlying reports.

A complete report page can be embedded or referenced to present a full page of a report within the dashboard so you preserve the page layout and any interactive controls on that page. This is useful when you want to reuse a full report page as part of a larger dashboard experience.

An individual visualization from a report lets you place a single chart or table on the dashboard to highlight a specific metric or view. This lets you focus attention on one visualization while keeping other dashboard elements separate and focused.

A presentation slide is incorrect because a dashboard does not accept slide files as a native component and slides are not a built in Data Studio element. You can recreate slide like content with text boxes and charts but you cannot add a slide file as a single dashboard element.

Full AWS Practitioner Certification Question