Exam Details

  • Exam Code
    :MS-203
  • Exam Name
    :Microsoft 365 Messaging
  • Certification
    :Microsoft Certifications
  • Vendor
    :Microsoft
  • Total Questions
    :462 Q&As
  • Last Updated
    :Mar 28, 2025

Microsoft Microsoft Certifications MS-203 Questions & Answers

  • Question 151:

    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 Online tenant that contains the following email domains:

    1.

    Adatum.com

    2.

    Contoso.com

    3.

    Fabrikam.com

    When external recipients receive email messages from the users in the tenant, all the messages are delivered by using the @contoso.com email domain.

    You need to ensure that the users send email by using the @fabrikam.com email domain.

    Solution: From the Microsoft 365 portal, you set fabrikam.com as the default domain.

    Does this meet the goal?

    A. Yes

    B. No

  • Question 152:

    You have a Microsoft Exchange Online tenant.

    All users have Exchange Online mailboxes.

    Your company has 10 projectors that are used by 30 managers.

    You need to recommend a solution to manage the availability and scheduling of the projectors. The solution

    must NOT require additional Microsoft 365 licenses.

    What Exchange Online object should you recommend creating for each projector?

    A. a public folder

    B. a distribution list

    C. a user mailbox

    D. a resource mailbox

  • Question 153:

    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 Online tenant that contains 1,000 users.

    A user named User1 receives a non-delivery report (NDR) when attempting to send an email message to an internal group named [email protected]. The NDR contains the following text: "5.7.1 Delivery not authorized."

    You need to ensure that User1 can send email to [email protected] successfully.

    Solution: You modify the properties of the [email protected] group.

    A. Yes

    B. No

  • Question 154:

    You have a Microsoft Exchange Server 2016 hybrid deployment.

    You plan to migrate mailboxes from the on-premises Exchange organization to Exchange Online.

    You have the appropriate permissions to perform the mailbox migrations.

    You need to prepare the environment for the planned migration.

    What should you do?

    A. Disable Microsoft Outlook for the web.

    B. Install the Hybrid Agent.

    C. Run Get-MigrationBatch -Identity "MyMigrationBatch".

    D. Enable the MRSProxy service on an on-premises Exchange server.

  • Question 155:

    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.

    Your company has an Exchange Online tenant that contains 2,000 mailboxes.

    A partner company named Fabrikam, Inc. uses a third-party messaging solution. The outbound SMTP server for Fabrikam uses an IP address of 131.107.2.22.

    You discover that several email messages from the fabrikam.com domain are erroneously marked as spam.

    You need to ensure that all the email messages sent from the fabrikam.com domain are delivered successfully to the user mailboxes of your company.

    Solution: You create a spam filter policy.

    Does this meet the goal?

    A. Yes

    B. No

  • Question 156:

    You have a Microsoft Exchange Online tenant.

    The tenant has the following Exchange ActiveSync configurations.

    Which mail client can Android device users use?

    A. both native Exchange ActiveSync clients and Microsoft Outlook for Android

    B. Microsoft Outlook for iOS and Android only

    C. native Exchange ActiveSync clients only

    D. neither native Exchange ActiveSync clients nor Microsoft Outlook for Android

  • Question 157:

    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 %1g%[email protected] email address format.

    Does this meet the goal?

    A. Yes

    B. No

  • Question 158:

    You have a hybrid deployment that contains a Microsoft Exchange Online tenant and an on-premises Exchange Server 2019 server named Server1.

    Server1 uses a certificate from a third-party certification authority (CA). The certificate is enabled for the SMTP service.

    You replace the certificate with a new certificate.

    You discover that delivery fails for all email messages sent from Server1 to your Microsoft 365 tenant.

    You receive the following error message for all the queued email messages: "450 4.4.101 Proxy session setup failed on Frontend with 451 4.4.0 Primary target IP address responded with 451 5.7.3 STARTTLS is required to send mail."

    You need to ensure that the messages are delivered successfully from Server1 to the Microsoft 365 tenant.

    What should you do?

    A. From the Exchange admin center, update the certificate thumbprint in the properties of a connector

    B. From Server1, regenerate the certificate and select Make private keys exportable

    C. From the firewall, disable SMTP content inspection

    D. From Server1, enable the new certificate for the IMAP4 service

  • Question 159:

    Your network contains an Active Directory domain named fabrikam.com.

    You have a Microsoft Exchange Server 2019 organization that contains two Mailbox servers. The servers are members of a database availability group (DAG).

    You plan to implement an Exchange hybrid deployment.

    You are evaluating the use of the Exchange Modern Hybrid connection option during the hybrid deployment.

    What are two benefits of using Exchange Modern Hybrid instead of Exchange Classic Hybrid? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

    A. allows the use of Microsoft Azure Multi-Factor Authentication (MFA) for on-premises users

    B. eliminates the need to purchase publicly trusted certificates for communication between the on-premises organization and Exchange Online

    C. preserves mailbox quotas when mailboxes are moved between the on-premises organization and Exchange Online

    D. uses Organization Configuration Transfer to configure Exchange Online

    E. allows federated sharing between the on-premises organization and Exchange Online

  • Question 160:

    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.

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