Câu 18: MS-203: Microsoft 365 Messaging

You have a hybrid deployment that contains a Microsoft Exchange Online tenant and an on-premises Exchange Server 2019 server named Server1. All users use an email address suffix of @contoso.com. On Server1, you create a new mailbox that uses an email address of [email protected].Users hosted in Exchange Online report that they receive a non-delivery report (NDR) when they attempt to send email messages to [email protected]. TheNDR contains the following text: `User1 wasn't found at contoso.com.`You verify that the Exchange Online users can send email successfully to the other mailboxes hosted on Server1. Users hosted on Server1 can send email to [email protected] successfully. You need to identify what causes the email delivery to fail. What should you use?

1. A. the Exchange admin center
2. B. the on-premises Exchange admin center
3. C. Azure AD Connect Health — đáp án hiện tại
4. D. the Azure Active Directory admin center