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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 a Microsoft 365 subscription that uses Microsoft Exchange Online Protection (EOP) with the default settings. You need to ensure that email messages sent from the unauthorized IP addresses of any sending domain are marked as High confidence spam The solution must minimize administrative effort.

What should you do?
Options
A For the default connection filter policy, add an entry to the IP Block List.
B Create a mail flow rule.
C For the default anti-spam inbound policy, set Conditional Sender ID filtering: hard fail to On
D For the default anti-spam inbound policy, set SPF record: hard fail to On
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2
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.
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3
Question
DRAG DROP You have a Microsoft 365 tenant.

You need to implement a compliance solution that meets the following requirements:

• A sensitivity label named ContainsCreditCardinfo must be applied to all Microsoft Office
documents that contain credit card information.

• When a document that has the label applied is attached to an email by a user, the user must
receive a policy tip in Microsoft Outlook. Which three objects should you create in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.

Exhibit

Exhibit
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4
Question
Which contacts can sign in to and access resources in the adatum.com tenant?
Options
A Contact1, Contact2. and Contact3
B Contact2 and Contact3 only
C Contact2 only
D Contact1 only
E Contact1 and Contact3 only
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5
Question
You have a Microsoft Exchange Online tenant that contains a group named Group1. The members of Group1 need to create user mailboxes. The solution must use the principle of least privilege. To which role group should you add Group1?
Options
A Organization Management
B Security Operator
C Recipient Management
D Help Desk
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