MD-102 · Question #520
You have a Microsoft 365 E5 subscription. You need to create a dynamic device group that will contain any device that has the word Marketing in its name. Which device membership rule should you use?
The correct answer is C. (device.displayName -contains "Marketing"). In Azure AD dynamic group membership rules, the -contains operator performs a substring match - it checks whether the property value contains the specified string anywhere within it. The correct rule is (device.displayName -contains "Marketing"), which returns true for any…
Question
You have a Microsoft 365 E5 subscription. You need to create a dynamic device group that will contain any device that has the word Marketing in its name. Which device membership rule should you use?
Options
- A(device.displayName -in "Marketing")
- B(device.displayName -in "Marketing")
- C(device.displayName -contains "Marketing")
- D(device.displayName -contains "Marketing")
How the community answered
(27 responses)- A4% (1)
- B4% (1)
- C78% (21)
- D15% (4)
Explanation
In Azure AD dynamic group membership rules, the -contains operator performs a substring match - it checks whether the property value contains the specified string anywhere within it. The correct rule is (device.displayName -contains "Marketing"), which returns true for any device name that includes the word 'Marketing'. Option A and B use -in, which checks if the property value exactly matches one of a list of values, not a substring - it does not support wildcard or partial matching. Option D incorrectly combines -contains with asterisk wildcards; the -contains operator does not use wildcards and the literal asterisks would be treated as part of the search string, breaking the match.
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