SC-300 Certification Practice Question #5

Question

You have an Azure Active Directory (Azure AD) tenant that contains the objects shown in the following table.

Which objects can you add as members to Group3?

Accepted Answer

Group3 is a mail-enabled security group. MS Learn explicitly lists "Adding security groups as members of mail-enabled security groups" and nesting of Microsoft 365 groups among the unsupported scenarios, so Group1 and Group2 can never be members — this eliminates options B and C outright. The remaining contest is whether unlicensed User1 can be added: the official Suggested Answer, the Most Voted community answer (81 votes), and the two Highly Voted comments (91 and 22 👍) all say E (User2 only), reporting that unlicensed users don't even appear in the member picker for a mail-enabled SG in the Exchange/Azure experience. A sizeable, well-reasoned minority selects D, noting that from the Microsoft 365 admin center the unlicensed user can be added via the user's own *Manage groups* page, and that Entra group membership does not technically require a license. Because the official answer and the strongest-voted comments converge on E while a credible community faction argues D based on the alternate admin-center path, this is a genuine Suggested-vs-community split; I follow the Suggested Answer + Most Voted (E) but lower confidence to 77 to reflect the substantiated D dissent.

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