Microsoft 365 Messaging - MS-203 Exam Practice Test
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.

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.
To enter your password, place your cursor in the Enter password box and click on the password below.
Microsoft 365 Username: [email protected]
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 prevent email messages that contain attachments that have the .js file extension from being delivered to any recipients in your organization.
To complete this task, sign in to the Microsoft 365 admin center.
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.

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.
To enter your password, place your cursor in the Enter password box and click on the password below.
Microsoft 365 Username: [email protected]
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 prevent email messages that contain attachments that have the .js file extension from being delivered to any recipients in your organization.
To complete this task, sign in to the Microsoft 365 admin center.
Correct Answer:
See explanation below
Explanation:
Go to Mail flow > Rules.
Create the rule by using one of the following options:



In the New rule dialog box, name the rule, and then select the conditions and actions for this rule:
- In Apply this rule if..., select the condition you want from the list of available conditions:
- In Do the following..., select the action you want the rule to take on messages matching the criteria from the list of available actions:
- Specify how rule match data for this rule is displayed in the Data Loss Prevention (DLP) reports and the Mail protection reports.
- Set the mode for the rule. You can use one of the two test modes to test the rule without impacting mail flow. In both test modes, when the conditions are met, an entry is added to the message trace:
Exchange Online admins can create mail flow rules in the Exchange admin center (EAC) at Mail flow > Rules. You need permissions to do this procedure. After you start to create a new rule, you can see the full list of attachment-related conditions by clicking More options > Any attachment under Apply this rule if. The attachment-related options are shown in the following diagram.

Reference:
https://docs.microsoft.com/en-us/exchange/security-and-compliance/mail-flow-rules/manage-mail-flow-rules
https://docs.microsoft.com/en-us/exchange/security-and-compliance/mail-flow-rules/inspect-message-attachments
Explanation:
Go to Mail flow > Rules.
Create the rule by using one of the following options:



In the New rule dialog box, name the rule, and then select the conditions and actions for this rule:
- In Apply this rule if..., select the condition you want from the list of available conditions:
- In Do the following..., select the action you want the rule to take on messages matching the criteria from the list of available actions:
- Specify how rule match data for this rule is displayed in the Data Loss Prevention (DLP) reports and the Mail protection reports.
- Set the mode for the rule. You can use one of the two test modes to test the rule without impacting mail flow. In both test modes, when the conditions are met, an entry is added to the message trace:
Exchange Online admins can create mail flow rules in the Exchange admin center (EAC) at Mail flow > Rules. You need permissions to do this procedure. After you start to create a new rule, you can see the full list of attachment-related conditions by clicking More options > Any attachment under Apply this rule if. The attachment-related options are shown in the following diagram.

Reference:
https://docs.microsoft.com/en-us/exchange/security-and-compliance/mail-flow-rules/manage-mail-flow-rules
https://docs.microsoft.com/en-us/exchange/security-and-compliance/mail-flow-rules/inspect-message-attachments
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 instruct User1 to reduce the size of the email message.
Does this meet the goal?
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 instruct User1 to reduce the size of the email message.
Does this meet the goal?
Correct Answer: A
Vote an answer
You have a Microsoft Exchange Online tenant.
You need to be notified when more than 1,000 email messages are queued in Exchange for more than one hour.
What should you do? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

You need to be notified when more than 1,000 email messages are queued in Exchange for more than one hour.
What should you do? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Correct Answer:

You have a Microsoft Exchange Server 2019 organization named contoso.com and an Exchange Online tenant.
You plan to implement a hybrid deployment.
You have the certificates shown in the following table.

You need to identify which certificates can be assigned in the Microsoft Office 365 Exchange Hybrid Configuration wizard.
Which certificates should you identify?
You plan to implement a hybrid deployment.
You have the certificates shown in the following table.

You need to identify which certificates can be assigned in the Microsoft Office 365 Exchange Hybrid Configuration wizard.
Which certificates should you identify?
Correct Answer: F
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Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).
Joni Sherman reports that the Microsoft Outlook client on her Windows 10 device fails to start.
You need to troubleshoot the issue.
From the device, you start the Microsoft Remote Connectivity Analyzer.
What should you run next?
You need to troubleshoot the issue.
From the device, you start the Microsoft Remote Connectivity Analyzer.
What should you run next?
Correct Answer: A
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Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).
You have a Microsoft Exchange Online tenant that contains a retention policy named Policy1 and a user named User1.
Policy1 is assigned to all users and contains the retention tags shown in the following table.

Tag3 is applied to an email message in the inbox of User1.
You remove Tag3 from Policy1.
What will occur to the message?
Policy1 is assigned to all users and contains the retention tags shown in the following table.

Tag3 is applied to an email message in the inbox of User1.
You remove Tag3 from Policy1.
What will occur to the message?
Correct Answer: C
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Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).
You have a Microsoft Exchange Online tenant that has an email domain named contoso.com.
You collaborate with a partner company that has an email domain named adatum.com.
You need to ensure that all the email messages sent to and received from adatum.com are encrypted in transit.
Which two actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct answer is worth one point.
You collaborate with a partner company that has an email domain named adatum.com.
You need to ensure that all the email messages sent to and received from adatum.com are encrypted in transit.
Which two actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct answer is worth one point.
Correct Answer: B,D
Vote an answer
You have a Microsoft Exchange Server 2019 organization.
You purchase a Microsoft Office 365 E5 subscription.
You plan to implement Exchange Modern Hybrid and free/busy sharing.
Which two components should you configure for the planned implementations? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
You purchase a Microsoft Office 365 E5 subscription.
You plan to implement Exchange Modern Hybrid and free/busy sharing.
Which two components should you configure for the planned implementations? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
Correct Answer: C,E
Vote an answer
Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).
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.

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.
To enter your password, place your cursor in the Enter password box and click on the password below.
Microsoft 365 Username: [email protected]
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
Users report that email disclaimers are no longer being appended to email messages sent to external recipients.
You need to ensure that all email sent to external recipients contains your corporate disclaimer.
To complete this task, sign in to the Microsoft 365 admin center.
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.

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.
To enter your password, place your cursor in the Enter password box and click on the password below.
Microsoft 365 Username: [email protected]
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
Users report that email disclaimers are no longer being appended to email messages sent to external recipients.
You need to ensure that all email sent to external recipients contains your corporate disclaimer.
To complete this task, sign in to the Microsoft 365 admin center.
Correct Answer:
See explanation below
Explanation:
In the Microsoft 365 admin center, choose Admin centers > Exchange.
Open the EAC and go to Mail flow > Rules.
Click Add +, and then click Apply disclaimers.

In the New rule window that appears, enter a unique name the rule.
In the Apply this rule if box, select the conditions for displaying the disclaimer. For example, select The recipient is located condition, and then select Outside the organization. If you want this rule to apply to every message that enters or leaves your organization, select [Apply to all messages].
Next to the Do the following box, select Enter text to enter the text of your disclaimer.
Click Select one, and select one of the Fallback options if the disclaimer can't be added.
Specify the audit severity level to assign the severity level that appears in the message log.
Select the mode for the rule. Select Enforce to turn on the disclaimer immediately, or select Test without Policy Tips to put a message in the message tracking log instead of adding the disclaimer.
If you have additional conditions or exceptions that you want to add, select More options at the bottom of the page, which will show additional settings. For example, to add the exception that prevents multiple disclaimers being added in an email conversation, select Add exception and then select The subject or body > Subject or body matches these text patterns, and then specify the words or phrases in your disclaimer. Or, to put your disclaimer at the top of the email message instead of the bottom, in Do the following, select Apply a disclaimer to the message > prepend a disclaimer.
11. When you're finished, click Save.
Reference:
https://docs.microsoft.com/en-us/exchange/security-and-compliance/mail-flow-rules/disclaimers-signatures-footers-or-headers
Explanation:
In the Microsoft 365 admin center, choose Admin centers > Exchange.
Open the EAC and go to Mail flow > Rules.
Click Add +, and then click Apply disclaimers.

In the New rule window that appears, enter a unique name the rule.
In the Apply this rule if box, select the conditions for displaying the disclaimer. For example, select The recipient is located condition, and then select Outside the organization. If you want this rule to apply to every message that enters or leaves your organization, select [Apply to all messages].
Next to the Do the following box, select Enter text to enter the text of your disclaimer.
Click Select one, and select one of the Fallback options if the disclaimer can't be added.
Specify the audit severity level to assign the severity level that appears in the message log.
Select the mode for the rule. Select Enforce to turn on the disclaimer immediately, or select Test without Policy Tips to put a message in the message tracking log instead of adding the disclaimer.
If you have additional conditions or exceptions that you want to add, select More options at the bottom of the page, which will show additional settings. For example, to add the exception that prevents multiple disclaimers being added in an email conversation, select Add exception and then select The subject or body > Subject or body matches these text patterns, and then specify the words or phrases in your disclaimer. Or, to put your disclaimer at the top of the email message instead of the bottom, in Do the following, select Apply a disclaimer to the message > prepend a disclaimer.
11. When you're finished, click Save.
Reference:
https://docs.microsoft.com/en-us/exchange/security-and-compliance/mail-flow-rules/disclaimers-signatures-footers-or-headers
You have a Microsoft Exchange Server 2019 organization.
You plan to implement a hybrid deployment between Exchange Online and Exchange Server.
You need to install the Exchange Online Hybrid Agent. The solution must use the principle of least privilege.
To which roles should you be assigned to perform the installation? To answer, drag the appropriate roles to the correct products. Each role may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.

You plan to implement a hybrid deployment between Exchange Online and Exchange Server.
You need to install the Exchange Online Hybrid Agent. The solution must use the principle of least privilege.
To which roles should you be assigned to perform the installation? To answer, drag the appropriate roles to the correct products. Each role may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.

Correct Answer:

Reference:
https://docs.microsoft.com/en-us/exchange/hybrid-deployment/hybrid-agent
You have an on-premises Microsoft Exchange Server 2019 organization.
You purchase a Microsoft 365 E5 subscription.
You need to configure a hybrid deployment and move all mailboxes to Exchange Online.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.

You purchase a Microsoft 365 E5 subscription.
You need to configure a hybrid deployment and move all mailboxes to Exchange Online.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.

Correct Answer:

1 - Configure and run Azure AD Connect.
2 - Configure and run the Hybrid Configuration wizard.
3 - From the Exchange admin center, add a migration batch.
You have a Microsoft Exchange Online tenant that contains a user named User1. User1 must perform the following tasks:
* Manage audit logs.
* Track email messages in the Exchange organization.
* Manage transport rules for the Exchange organization.
You need to recommend to which role group to add User1. The solution must follow the principle of least privilege. What should you recommend?
* Manage audit logs.
* Track email messages in the Exchange organization.
* Manage transport rules for the Exchange organization.
You need to recommend to which role group to add User1. The solution must follow the principle of least privilege. What should you recommend?
Correct Answer: D
Vote an answer
You have a Microsoft 365 subscription.
A safe attachments policy that uses Dynamic Delivery is applied to all recipients who match your SMTP domains.
You need to prevent attachments form being scanned when internal users send email to one another.
What should you do?
A safe attachments policy that uses Dynamic Delivery is applied to all recipients who match your SMTP domains.
You need to prevent attachments form being scanned when internal users send email to one another.
What should you do?
Correct Answer: A
Vote an answer
Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).
Your company has an Exchange Online tenant.
A partner company named Fourth Coffee also uses Exchange Online.
You need to ensure that the users at your company share free busy information with the users at Fourth Coffee. The solution must ensure that the meeting details included in the calendars of your company users remain hidden from the Fourth Coffee users.
How should you complete the command? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

A partner company named Fourth Coffee also uses Exchange Online.
You need to ensure that the users at your company share free busy information with the users at Fourth Coffee. The solution must ensure that the meeting details included in the calendars of your company users remain hidden from the Fourth Coffee users.
How should you complete the command? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Correct Answer:

Reference:
https://docs.microsoft.com/en-us/powershell/module/exchange/new-organizationrelationship?view=exchange-ps