Which Purview SITs Can Be Copied or Edited Directly?
Short answer
Statement 1: select ABA Routing Number and Adatum Numbers. Statement 2: select Adatum Numbers only.
Question
You have a Microsoft 365 subscription that contains the sensitive information types (SITs) shown in the following exhibit.

Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the graphic.
NOTE: Each correct selection is worth one point.

Key Takeaways
The exam tests built-in versus custom SIT copy/edit rules; the trap is assuming a custom-looking SIT such as Adatum document patterns behaves like an ordinary editable custom SIT.
This SC-401 hotspot tests Microsoft Purview sensitive information type behavior: which listed SITs can be copied to create a new SIT, and which can be edited directly. The correct selections are ABA Routing Number plus Adatum Numbers for copying, and Adatum Numbers only for direct editing.
Common mistake: Learners often mark every custom-named SIT as editable or copyable, overlooking that document-fingerprint SITs follow a different lifecycle and that built-in SITs must be copied before modification.
Expert Analysis
Why the Answer Is Correct
ABA Routing Number is a built-in SIT, so Purview does not allow direct editing; it can be used as a template by copying it into a new custom SIT. Adatum Numbers is an ordinary custom SIT, so it can be copied and edited directly. Adatum document patterns represents a document-fingerprint style SIT, which is not handled through the same standard copy/edit path as regex-based custom SITs. Therefore the copy blank accepts ABA Routing Number and Adatum Numbers, while the edit blank accepts Adatum Numbers only.
Why Other Candidate Answers Are Wrong
Including Adatum document patterns in the copy set treats a document-fingerprint SIT like a normal rule-based SIT, but Purview does not expose the same copy action for it. Selecting only Adatum Numbers for copying misses that a built-in SIT such as ABA Routing Number can be copied as a template. Selecting any built-in SIT for direct editing ignores the rule that built-in SITs are read-only until copied. These alternatives fail on the concrete SIT types shown in the exhibit.
Community Comment Notes
bobg's top-voted result selects ABA Routing Number and Adatum Numbers for copying and Adatum Numbers only for editing, matching the built-in/custom distinction. MultiCloudIronMan instead includes Adatum document patterns in the copy set, which is the main point of disagreement. kollyp2000 cites Microsoft Learn that built-in SITs “can’t be edited, but you can use them as templates by copying them,” reinforcing ABA Routing Number in the copy blank and not the edit blank. rvln7 also lands on ABA Routing Number and Adatum Numbers for copying, with Adatum Numbers only for editing.
Official Reference
This link opens the official vendor documentation in a new tab.
Exam Strategy
Separate the two blanks: first identify which SITs can serve as a copy template, then identify which are directly editable. Built-in SITs are read-only and copy-only, while special document-fingerprint SITs are not ordinary copy/edit candidates.
Frequently Asked Questions
Can a built-in SIT such as ABA Routing Number be edited directly in Purview?
Why is Adatum document patterns excluded from the copy and edit answers?
Discussion 4 contributions
Compiled from public community threads and reader submissions, lightly edited for clarity. Handles and vote tallies are shown as recorded, and comments reflect the views of individual contributors.
From public community threads 4
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bobg 👍 13Can copy ABA Routing Number and Adatum Numbers only Can edit Adatum Numbers Only
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MultiCloudIronMan 👍 3You can create a new sensitive info type by copying an existing built-in or custom SIT. You can edit custom SITs directly. Built-in SITs must be copied first. To create a new SIT, you can copy ✅ Adatum document patterns and Adatum numbers only You can edit directly without creating a copy first ✅ Adatum numbers only
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kollyp2000 👍 1Statement 1: you can copy ABA Routing Number and Adatum numbers. - ABA Routing Number is built in. Built-in SITs “can’t be edited, but you can use them as templates by copying them.” Source: Learn about sensitive information types, https://learn.microsoft.com/purview/sit-sensitive-information-type-learn-about#categories-of-sensitive-information-types - Statement 2: you can edit Adatum document patterns and Adatum numbers directly. Adatum numbers is custom, so you can edit it directly. Source: Document fingerprinting, https://learn.microsoft.com/purview/sit-document-fingerprinting#edit,-test,-or-delete-a-document-fingerprint
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rvln7 👍 1copy: ABA Routing Number & Adatum Numbers edit: Adatum Numbers only
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