Microsoft MS-203 Microsoft 365 Messaging Online Training
Microsoft MS-203 Online Training
The questions for MS-203 were last updated at May 11,2025.
- Exam Code: MS-203
- Exam Name: Microsoft 365 Messaging
- Certification Provider: Microsoft
- Latest update: May 11,2025
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You have a Microsoft Exchange Server 2019 organization that contains 200 mailboxes.
You need to add a second email address to each mailbox. The address must have a syntax that uses the first letter of each user’s last name, followed by the user’s first name, and then @fabrikam.com.
Solution: You create an email address policy that uses the %1s%[email protected] email address format.
Does this meet the goal?
- A . Yes
- B . No
You have a Microsoft Exchange Online tenant.
All users are assigned only an Office 365 Enterprise E3 license.
You need to ensure that the users can use only Microsoft Outlook to connect to their Microsoft 365 mailbox when they connect from an Android device.
What should you create?
- A . a conditional access policy in Azure Active Directory (Azure AD)
- B . a connection filter policy in Exchange Online Protection (EOP)
- C . an Outlook Web App policy in Exchange Online
- D . an app protection policy in Microsoft Endpoint Manager
You have 1,000 user accounts that are each licensed for Microsoft 365. Each user account has a Microsoft Exchange Online mailbox.
Ten of the user accounts are configured as service accounts for applications. The applications send event notifications to the mailboxes of the service accounts by using SMTP. The developers of each application have delegated access to the mailbox of their respective application.
You need to ensure that all the event notifications sent by the applications are retained in the service account mailboxes so that new developers can review older notifications. The developers must be able to view only the notifications for their respective application.
What should you do?
- A . Replace the service account mailboxes with a single user mailbox that contains a folder for each application.
- B . Replace the service account mailboxes with a single user mailbox that contains Power Automate rules.
- C . Convert the service account mailboxes into shared mailboxes.
- D . Convert the service account mailboxes into mail-enabled users.
HOTSPOT
You need to create an address list that contains all the users who have a title of Director.
How should you complete the command? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.
HOTSPOT
You have an address book policy named Contoso-US that contains an address list named Contoso-Finance.
You need to add an address list named Contoso-Marketing to Contoso-US without removing Contoso-Finance.
How should you complete the command? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.
HOTSPOT
You have a Microsoft Exchange Server 2019 hybrid deployment.
You are migrating mailboxes from the on-premises organization to Exchange Online.
From the Exchange admin center, you create a new migration batch that includes 25 mailboxes, and then you select Manual Complete the batch.
Later, you must complete the migration of a mailbox named [email protected] in the batch as soon as possible. You discover that the status of the migration batch is Syncing, but the status of the move request for [email protected] is Synced.
You need to complete the migration of the [email protected] mailbox to Exchange Online as soon as possible.
How should you complete the command? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.
You have a Microsoft Exchange Server 2019 hybrid deployment.
You plan to implement Hybrid Modern Authentication (HMA).
You retrieve the Exchange virtual directory settings, and you discover the following output.
You need to prepare the virtual directories for the planned implementation of HMA.
What should you do?
- A . Add OAuth as an authentication method.
- B . Remove NTLM as an authentication method.
- C . Delete https://mail.contoso.com from the ExternalUrl value.
- D . Modify the InternalUrl value to http://mail.contoso.com.
You have a Microsoft Exchange Server hybrid deployment that contains Exchange 2013, Exchange 2016, and Exchange 2019 servers. All the servers have the latest Cumulative Updates (CUs) applied. You need to implement Hybrid Modern Authentication (HMA). The solution must minimize costs.
What should you do first?
- A . Upgrade the Exchange 2013 servers to Exchange 2016 CU7.
- B . Add the on-premises web service URLs as Azure Active Directory (Azure AD) service principal names (SPNs).
- C . Upgrade all the servers to Exchange 2019.
- D . Create an Azure Active Directory (Azure AD) conditional access policy for Exchange Online.
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You have a Microsoft Exchange Server 2019 hybrid deployment. All user mailboxes are hosted in Microsoft 365. All outbound SMTP email is routed through the on-premises Exchange organization.
A corporate security policy requires that you must prevent credit card numbers from being sent to internet recipients by using email.
You need to configure the deployment to meet the security policy requirement.
Solution: From Microsoft 365, you create a data loss prevention (DLP) policy.
Does this meet the goal?
- A . Yes
- B . No
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You have a Microsoft Exchange Server 2019 hybrid deployment. All user mailboxes are hosted in Microsoft 365. All outbound SMTP email is routed through the on-premises Exchange organization.
A corporate security policy requires that you must prevent credit card numbers from being sent to internet recipients by using email.
You need to configure the deployment to meet the security policy requirement.
Solution: From the Exchange organization, you create a data loss prevention (DLP) policy.
Does this meet the goal?
- A . Yes
- B . No