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Microsoft 365 Messaging Exam (MS-203) - Microsoft Exam Questions

Last updated on June 22, 2026

97% Exam Compliance
394 Total Questions
1
Question
You have hybrid deployment between a Microsoft Exchange Onlne tenant and an on-premises Exchange Server 2019 organization. The deployment uses Azure AD Connect. All incoming email is delivered to Exchange Online. You have 10 mail-enabled publich folders hosted on an on-premises Mailbox server. Customers receive an error when an email message is sent to a public folder. You need to ensure that all the mail-enabled public folders can receive email messages from the internet. The solution must ensure that messages can be delivered only to valid recipients. Solution: From Exchange Online, Create a mail contact for each mail-enabled public folder. Does this meet the goal?
Options
A No
B Yes
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2
Question
You manage a hybrid deployment between Microsoft Exchange Online and on-premises Exchange Server 2019. The deployment contains a primary SMTP domain named contoso.com. Users have email addresses that use a syntax of firstname.lastname@contoso.com. A user named Ben Smith receives a new client computer. You configure the computer1 to access Ben Smith's mailbox. Ben Smith reports that he cannot connect to his mailbox from the new computer. You verify that other users can connect successfully to their mailbox and that new users can discover their mailboxes by using Autodiscover. You need to ensure that Ben Smith can connect to his mailbox from the new computer.

What should you do?
Options
A Modify the email address of Ben Smith to use a syntax of lastname.firstname@contoso.com
B Modify the email address of Ben Smith to use a syntax of firstname.lastname@contoso.onmicrosoft.com
C Modify the primarySmtpAddress property for the mailbox of Ben Smith.
D Modify the RemoteRoutingAddress parameter for the mailbox of Ben Smith.
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3
Question
HOTSPOT You have an address book policy named Contoso-US that contains an address list named Contoso- You need to add an address list named Contoso-Marketing to Contoso-US without removing Finance. Contoso-Finance. How should you complete the command? To answer, select the appropriate options in the answer

NOTE: Each correct selection is worth one point.

Exhibit

area.
HOTSPOT
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4
Question
Please wait while the virtual machine loads. Once loaded, you may proceed to the lab section. This may take a few minutes, and the wait time will not be deducted from your overall test time. When the Next button is available, click it to access the lab section. In this section, you will perform a set of tasks in a live environment. While most functionality will be available to you as it would be in a live environment, some functionality (e.g., copy and paste, ability to navigate to external websites) will not be possible by design. Scoring is based on the outcome of performing the tasks stated in the lab. In other words, it doesn't matter how you accomplish the task, if you successfully perform it, you will earn credit for that task. Labs are not timed separately, and this exam may have more than one lab that you must complete. You can use as much time as you would like to complete each lab. But, you should manage your time appropriately to ensure that you are able to complete the lab(s) and all other sections of the exam in the time provided. Please note that once you submit your work by clicking the Next button within a lab, you will NOT be able to return to the lab.

Exhibit

Use the following login credentials as needed: To enter your username, place your cursor in the Sign in box and click on the username below. below. To enter your password, place your cursor in the Enter password box and click on the password Microsoft 365 Username: admin@abc.com Microsoft 365 Password: xxxxxx
If the Microsoft 365 portal does not load successfully in the browser, press CTRL-K to reload the
portal in a new browser tab. The following information is for technical support purposes only. Lab Instance: XXXXXX You need to ensure that all emails sent from the users in your company to recipients who use a suffix of @fabnkam.com are encrypted by using Microsoft Office 365 Message Encryption (OME). To complete this task, sign in to the Exchange admin center.
Reveal Only
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5
Question
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?
Options
A No
B Yes
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