MS-203 Microsoft 365 Messaging Free Practice Exam Questions (2025 Updated)

Prepare effectively for your Microsoft MS-203 Microsoft 365 Messaging certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Total 394 questions

Question # 6

You need to resolve the issue for the customer service department users.

What should you modify?

a transport rule

the Send connector to the Internet

the tarpit interval

the global throttling policy

Question # 7

You have a Microsoft Exchange Online tenant that has Office 365 Advanced Threat Protection (ATP) enabled.

The tenant contains a user named Ben Smith who has a UPN of ben.smith@fabrikam.com. Ben Smith is protected by using an ATP anti-phishing policy.

Ben Smith reports that emails sent from his personal account of ben.smith@relecloud.com are not delivered to his work email account.

You need to ensure that personal emails are delivered to the ben.smith@fabrikam.com

What should you do?

Create a transport rule to assign the MS-Exchange-Organization-PhishThresholdLevel header a value of 2 for the message received from ben.smith@relecloud.com

Add ben.smith@fabrikam.com as a trusted sender to the ATP anti-phishing policy.

Add ben.smith@relecloud.com as a trusted sender to the ATP anti phishing.

Add relecloud.com to the ATP anti-phishing list of misted domains.

Question # 8

You need to configure the required objects for the branch office administrators.

What should you create for each administrator?

a management role assignment policy and a management role group

a management role scope and a management role assignment

a management role scope and a management role group

a management role and a management role assignment policy

Question # 9

You need to resolve the issue for the transport department users.

What is the best way to achieve the goal? More than one answer choice may achieve the goal. Select the

BEST answer.

Move the public folder mailbox that contains TransportPF to a server in the main office.

Move TransportPF to a public folder mailbox hosted in the main office.

Modify the default public folder mailbox for all the transport department users.

Instruct the transport department users to add TransportPF to their Favorites list in Outlook.

Question # 10

You need to recommend a procedure for closing the Brussels office that meets the technical requirements.

What should you recommend?

In the main office, deploy an Exchange Server 2016 server that has the Unified Messaging role installed, and then move the mailboxes from the Brussels office to the new server.

Deploy a Microsoft Skype for Business 2019 server to the main office, and then move the mailboxes from the Brussels office to an Exchange Server 2019 server in the main office.

Implement a new mailbox database on an Exchange Server 2019 server in the main office, and then move the mailboxes from the Brussels office to the new mailbox database.

Implement a new database availability group (DAG) that contains the server in the Brussels office and a new Exchange Server 2019 server in the main office, and then create a mailbox database copy on the new server in the main office.

Question # 11

Your company named Contoso, Ltd. has a Microsoft Exchange Server 2019 organization that contains the mailbox databases shown in the following table.

You need to assign an offline address book (OAB) named Managers to all the users in a group named Managers.

How should you complete the PowerShell script? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

Question # 12

You need to implement a solution to support the planned changes for the branch office administrators.

What should you do?

Assign the Mail Recipients role to the branch office administrators and use a default management scope.

Assign the Mail Recipients role to the branch office administrators and create a custom management scope.

Assign the Recipient Policies role to the branch office administrators and use a default management scope.

Assign the Recipient Policies role to the branch office administrators and create a custom management scope.

Question # 13

You need to implement a solution to support the planned changes for the helpdesk users.

What should you do?

Assign the Recipient Policies role to the helpdesk users and a default management scope

Assign the Mail Recipients role to the helpdesk users and use a default management scope

Assign the Mail Recipients role to the helpdesk users and create a custom management scope

Assign the Recipient Policies roles to the helpdesk users and create a custom management scope

Question # 14

You need to recommend a solution to retain the items in the public folders. The solution must support the

planned changes.

What should you recommend?

Create an Outlook rule that forwards all the items in each public folder to a compliance mailbox.

Place an In-Place Hold on all the mailboxes of the public folders.

Increase the frequency of the backups.

Modify the public folder permissions.

Question # 15

You need to implement a solution that meets the technical requirements for the retention of junk email, sent items, and deleted items.

What is the minimum number of retention policies and retention tags you should use? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

Question # 16

You need to implement a solution to meet the technical requirements for the SCL.

How should you complete the command? To answer, select the appropriate options in the answer area.

Question # 17

You need to perform a remote wipe of the devices of User2 and User3.

You run the following commands.

Clear-MobileDevice -id User2-Device

-NotificationEmailAddress "admin@Fabrikam.com"

Clear-MobileDevice -id User3-Device

-NotificationEmailAddress "admin@Fabrikam.com"

What occurs on each device? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

Question # 18

User3 leaves the company.

You need to ensure that Admin1 and Admin2 can access the mailbox of User3. The solution must meet the technical requirements.

What should you do?

Migrate the mailbox of User3 to a distribution group.

Migrate the mailbox of User3 to a Microsoft 365 group.

Convert the mailbox of User3 into a resource mailbox.

Convert the mailbox of User3 into a shared mailbox.

Question # 19

You need to encrypt email between Fabrikam and Litware to support the planned changes.

What should you configure in the Exchange admin center?

a connector

an organization relationship

a sharing policy

a remote domain

Question # 20

You need to ensure that In-Place Archiving is enabled for the marketing department users.

Which user should perform the change, and which tool should the user use? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

Question # 21

You need to identify which users clicked the links in the phishing emails.

What should you do?

Run a message trace and review the results.

Query the mailbox audit log.

Use the URL trace reporting feature.

Review the quarantine mailbox.

Question # 22

How many default policy tags (DPTs), retention policy tags (RPTs), and personal tags should you create to meet the retention requirements? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.