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Administering Information Security in Microsoft 365 Questions 101–105 (page: 22)

Updated On: 1-Oct-2026
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HOTSPOT (Drag and Drop is not supported)
You have a Microsoft 365 E5 subscription that uses Microsoft Purview.
You need to create a sensitive information type (SIT) to detect project code content that starts with the letters pjt followed by six digits and ends with the letters sct. The following is an example of the project code.
pjt123456sct
How should you complete the regular expression? To answer, select the appropriate options in the answer area.
Note: Each correct selection is worth one point.
Hot Area:

  1. See Explanation section for answer.

Answer(s): A

Explanation:



Box 1: [0-9]
Pattern: [0-9]{0,3}
Interpretation: Look for zero to three occurrences of the decimal digits 0 through 9.
Box 2: {6}
Quantifiers
A quantifier specifies how many instances of the previous element (which can be a character, a group, or a character class) must be present in the input string for a match to occur. Quantifiers include the language elements listed in the following table.
Quantifier: { n }
Description: Matches the previous element exactly n times.
Pattern: ",\d{3}"
Matches: ",043" in "1,043.6", ",876", ",543", and ",210" in "9,876,543,210"


Reference:

https://learn.microsoft.com/en-us/dotnet/standard/base-types/regular-expressions https://learn.microsoft.com/en-us/dotnet/standard/base-types/regular-expression-language-quick-reference



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HOTSPOT (Drag and Drop is not supported)
You have a Microsoft 365 E5 subscription.
You need to identify documents that contain patent application numbers containing the letters PA followed by eight digits, for example, PA 12345678. The solution must minimize administrative effort.
What should you do? To answer, select the appropriate options in the answer area.
Note: Each correct selection is worth one point.
Hot Area:

  1. See Explanation section for answer.

Answer(s): A

Explanation:



Box 1: Since you are looking for a specific pattern (PA followed by eight digits, e.g., PA 12345678), the best classification method is Sensitive Info Type. Sensitive Info Types allow pattern-based matching to identify structured data. Exact Data Match (EDM) is not needed because you're not comparing against a fixed dataset.
Trainable classifier is not appropriate because this is a structured pattern, not an unstructured document classification.
Box 2: Since PA 12345678 follows a structured pattern, the most effective method is Regular Expression
(Regex). A Regular Expression (Regex) can be written to match "PA" followed by exactly eight digits (e.g.,
PA\s\d{8}). Keyword dictionary is not ideal because it works for predefined words, not number patterns.
Function is unnecessary because there is no need for checksum validation or predefined validation rules.



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You have a Microsoft 365 subscription that contains 100 users and a Microsoft 365 group named Group1.
All users have Windows 11 devices and use Microsoft SharePoint Online and Exchange Online.
A sensitivity label named Label1 is published as the default label for Group1.
You add two sublabels named Sublabel1 and Sublabel2 to Label1.
You need to ensure that the settings in Sublabel1 are applied by default to Group1.
What should you do?

  1. Modify the policy of Label1.
  2. Duplicate all the settings from Sublabel1 to Label1.
  3. Delete the policy of Label1 and publish Sublabel1.
  4. Change the order of Sublabel1.

Answer(s): C

Explanation:

To ensure a sublabel is applied by default to a Microsoft 365 group when the parent label is the default, you must publish the desired sublabel and set it as the default for the group in the Microsoft Purview compliance portal, rather than trying to manipulate the parent label's policy. The original parent label should not be set as the default for the group anymore, as sublabels override the parent's default status.


Reference:

https://learn.microsoft.com/en-us/purview/sensitivity-labels



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HOTSPOT (Drag and Drop is not supported)
You have a Microsoft 365 E5 subscription that contains two users named User1 and User2.
You create a sensitivity label that has the following settings:
● Name: Sensitivity1
● Define the scope for this label: Files & other data assets, Emails
● Choose protection settings for files and emails: Mark the content of files
- Add custom headers, footers, and watermarks to files and emails that have this label applied
You make Sensitivity1 available to User1.
User1 performs the following actions:
● Creates a new email
● Adds a file named File1.docx as an attachment to the email
● Applies Sensitivity1 to the email
● Sends the email to User2
How will the email and the attachment be marked? To answer, select the appropriate options in the answer area.
Note: Each correct selection is worth one point.
Hot Area:

  1. See Explanation section for answer.

Answer(s): A

Explanation:



Box 1: Marked with a watermark, a footer, and a header
Email:
Marked with a watermark, a footer, and a header
You can use sensitivity labels to:
* Provide protection settings that include encryption and content markings. For example, apply a "Confidential"
label to a document or email, and that label encrypts the content and applies a "Confidential" watermark.
Content markings include headers and footers as well as watermarks, and encryption can also restrict what actions authorized people can take on the content.
Box 2: Not marked


Reference:

https://learn.microsoft.com/en-us/purview/sensitivity-labels



View Related Case Study

You have a Microsoft 365 E5 subscription that contains two users named User1 and User2.
On January 1, you create the sensitivity label shown in the following table.

On January 2, you publish Label1 to User.
On January 3, User1 creates a Microsoft Word document named Doc1 and applies Label1 to the document.
On January 4, User2 edits Doc1.
On January 15, you increase the content expiry period for Label1 to 28 days.
When will access to Doc1 expire for User2?

  1. January 23
  2. January 24
  3. January 25
  4. January 31

Answer(s): B



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