MS-203 Microsoft 365 Messaging Study Guide As the Best Preparation Materials Online

MS-203 Microsoft 365 Messaging Study Guide As the Best Preparation Materials Online

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Free Microsoft 365 Messaging MS-203 Exam Questions As the Demo For Reading

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1. Topic 1, Contoso Ltd


General Overview

Contoso, Ltd. is a national freight company in the United States. The company has 15,000 employees.

Physical Locations

Contoso has a main office in Houston and 10 branch offices that each contains 1,000 employees.

Existing Environment

Active Directory and Microsoft Exchange Server Environments

The network contains an Active Directory forest named The forest contains one root domain named and 10 child domains. All domain controllers run Windows Server 2019.

The forest has Active Directory Certificate Services (AD CS) and Active Directory Federation Services (AD FS) deployed.

You have a hybrid deployment of Exchange Server 2019 and Microsoft Office 365.

There are 2,000 user mailboxes in Exchange Online.

Each office contains two domain controllers and two Mailbox servers. the main office also contains an Edge transport server.

The organization contains 100 public folders. The folders contain 80 GB of content.

All email messages sent to are delivered to Exchange Online. All messages sent to on-premises mailboxes are routed through the Edge Transport server.

Advanced Threat Protection (ATP) is enabled and configured for the Office 365 tenant.

Network Infrastructure

Each office connects directly to the Internet by using a local connection. The offices connect to each other by using a WAN link.


Planned Changes

Contoso plans to implement the following changes:

✑ For all new users in the on-premises organization, provide an email address that uses the value of the Last Name attribute and the first two letters of the First Name attribute as a prefix.

✑ Decommission the public folders and replace the folders with a Microsoft 265 solution that maintains web access to the content.

Technical Requirements

Contoso identifies the following technical requirements:

✑ All email messages sent from a SMTP domain named must never be identified as spam.

✑ Any solution to replace the public folders must include the ability to collaborate with shared calendars.

Security Requirements

Contoso identifies the following security requirements:

✑ The principle of least privilege must be applied to all users and permissions.

✑ All email messages sent from an SMTP domain named com to must be encrypted.

✑ All users must be protected from accessing unsecure websites when they click on URLs embedded in email messages.

✑ If a user attempts to send an email message to a distribution group that contains more than 15 members by using Outlook, the user must receive a warning before sending the message.

Problem statements

Recently, a user named HelpdeskUser1 erroneously created several mailboxes.

Helpdesk1user1 is a member of the Recipient Management management role group.

Users who have a mailbox in office 365 report that it takes a long time for email messages containing attachments to be delivered.


You need to recommend a solution that meets the security requirements for protecting users.

What should you recommend?

2. You need to recommend a solution for the public folders that supports the planned changes and meets the technical requirements.

What should you recommend?


You need to configure the environment to support the planned changes for email addresses.

How should you complete the command? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

4. You need to resolve the email delivery delay issue.

What should you do?

5. You need to recommend an Office 365 solution that meets the technical requirements for email from

Which two components should you recommend configuring from the Exchange admin center in Exchange Online? Each correct presents a complete solution. NOTE: Each correct selection is worth one point.

6. You must prevent HelpDeskUser1 from repeating the same mistake.

You need to identify which management role provided HelpDeskUser1 with the necessary permissions to make the mistake identified in the problem statement.

Which two cmdlets should you run? Each correct answer presents part of the solution.

7. You need to configure the Exchange organization to meet the security requirements for sending email messages to distribution groups.

Which cmdlet should you run?


Use the drop-down menus to select the answer choice that complete each statement based on the information presented in the Exchange Online Connector exhibit. NOTE: Each correct selection is worth one point.

9. Topic 2, Litware, inc

Case Study


Litware, Inc. is food service supplier in Europe.

Physical Locations

Litware has a main office in Paris and branch offices in Munich, London, Brussels, Vienna, and Rome.

Each branch office has its own compliance officer.

Existing Environment

The network contains one Active Directory forest named The forest contains a single Active Directory domain. Each office is configured as an Active Directory site.

Each branch office is represented organizational unit (OU) in an OU named Offices in Active Directory.

Each branch office has a special Administrators group that contains the delegated administrators for that office. Each Administrators group is named based on its location in a format of RegionalAdmins_Brussels, RegionalAdmins_Munich, RegionalAdmins_London, RegionalAdmins_Vienna and RegionalAdmins_Rome.

Network Infrastructure

Each office contains two domain controllers from the domain. All the domain controllers are configured as DNS servers. All client computers connect only to the DNS servers in their respective office.

All offices have a high-speed connection to the Internet. Each office connects to the Internet by using a VPN appliance.

Each office has the following servers and client computers:

One reverse proxy appliance

One Microsoft Exchange Server 2019 server

One Windows Server Update Services (WSUS) server

Computers that run Windows 10 and have Microsoft Office 2019 installed.

The office in Brussels contains an Exchange Server 2016 server that has the Unified Messaging role installed and hosted voicemail configured.

Mailboxes are hosted on all the Exchange servers. Public folders are hosted only on an

Exchange server in the main office. Litware uses a disjoint namespace to access the servers.

Each user has an archive mailbox. Archiving is configured to use the default settings.

Exchange services are published to the internet by using a reverse proxy in each office.

A full backup of Exchange is performed nightly. Incremental backups occur every six hours.

All the users in the transport department connect to network resources by using a connection in the main office.


Planned Changes

Litware plans to implement the following changes:

✑ Implement calendar sharing to partner companies.

✑ Implement a solution that prevents malware from being delivered to end users.

✑ Use personal archives to eliminate the need for PST files.

✑ Ensure the Brussels office and move all the users in the Brussels office to the main office. All the mailboxes in the Brussels office will be moved to a server in the main office.

✑ Implement a compliance solution to ensure that items deleted from public folders are retained. If an item in a public folder is modified, the original version of the item must be available.

Technical Requirements

Litware identifies the following technical requirements:

✑ Minimize administrative effort.

✑ Use the principle of least privilege.

✑ Ensure that junk email is deleted automatically after 14 days.

✑ Ensure that sent items and deleted items are deleted automatically after 30 days.

✑ Ensure that users in the customer service department can open multiple mailboxes.

✑ Ensure that all the former Brussels office users always maintain access to hosted voicemail.

✑ Ensure that the staff in the IT department can manage the email environment without and-user involvement.

✑ Ensure that users cannot recover email messages that are deleted from the Junk Email folder and the Deleted Items.

✑ Ensure that if an email message has a spam confidence level (SCL) of 3 or higher, the message automatically moves to the Junk Email folder.

Problem statements

The transport department users report that accessing a public folder named TransportPF is sometimes very slow.

Users in the customer service department report that Microsoft Outlook sometimes hangs when many mailboxes are open.

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

What should you do?

10. 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.


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