The correct option is All of the above data combined on the Data classification page.

The Data classification page in the Compliance Center aggregates multiple classification metrics and presents them together for an overview of your tenant. It displays counts of items by sensitive information type and the names of those types. It also shows the top applied sensitivity labels across Microsoft 365 and Azure Information Protection and it summarizes which retention labels are applied most frequently. For these reasons All of the above data combined on the Data classification page is the right choice.

A summary of which retention labels are applied most frequently is incorrect by itself because that information is only one part of the Data classification page rather than the entire set of data shown.

Counts of items by sensitive information type and the names of those types is also incorrect by itself because the page includes those counts in addition to label and retention summaries instead of showing only that data.

The top applied sensitivity labels across Contoso 365 and Azure Information Protection is likewise incomplete as a standalone answer because it represents only one of the metrics displayed. Note that references to Azure Information Protection can point to older labeling components that have been unified into the Microsoft Purview compliance experience, so similar exam items may use slightly different wording on newer exams.

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