Microsoft MS-721 Practice Exams
Last updated on Oct 22,2026- Exam Code: MS-721
- Exam Name: Collaboration Communications Systems Engineer
- Certification Provider: Microsoft
- Latest update: Oct 22,2026
HOTSPOT
You have a Microsoft Teams Phone deployment.
You need to deploy a Teams device named Device1 trial meets the following requirements:
• Autodials a preconfigured call queue when the phone handset is picked up
• Displays the common area phone user interface
Which license should you assign to Device1. and which feature should you enable for Device1? To answer. select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

HOTSPOT
You have a Microsoft Teams Phone deployment.
You need to deploy a Teams device named Device1 trial meets the following requirements:
• Autodials a preconfigured call queue when the phone handset is picked up
• Displays the common area phone user interface
Which license should you assign to Device1. and which feature should you enable for Device1? To answer. select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

HOTSPOT
You have a Microsoft Teams Phone deployment.
You need to deploy a Teams device named Device1 trial meets the following requirements:
• Autodials a preconfigured call queue when the phone handset is picked up
• Displays the common area phone user interface
Which license should you assign to Device1. and which feature should you enable for Device1? To answer. select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

You have a PBX phone system that contains 100 handsets. The handsets support SIP registration. You implement a new Microsoft Teams Phone deployment that has SIP Gateway configured. You need to register the handsets with Teams.
What should you do?
- A . From the Microsoft Teams admin center, create a configuration profile for each device. Configure the handsets to use LLDP.
- B . From the voice calling policy, set SIP devices can be used for calls to On. Configure the handsets to use LLDP.
- C . From the Microsoft Teams admin center, create a configuration profile for each device. Add the Teams SIP device details to the handsets.
- D . From the voice calling policy, set SIP devices can be used for calls to On. Configure the provisioning URL on the handsets.
HOTSPOT
You have a Microsoft Teams Phone deployment.
You need to ensure that incoming calls to a user are forwarded to a phone number of +15552224190 if the calls are NOT answered within 20 seconds.
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.

HOTSPOT
Your company has a Microsoft Teams Phone deployment and the following departments;
• Sales
• Research
You have the users shown in the following table.

You need to meet the following requirements:
• User2 must be able to receive and make calls on behalf of User1.
• User4 and User5 must not hear a ring tone and must see only a banner in the Teams client when User3 receives a call.
What should you configure to meet each requirement? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

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 need to create a new call queue to route calls to support agents. The support agents must be able to see their call queue history and the shared transcribed voicemail. The solution must minimize administrative effort.
Solution: You redirect calls for the call queue to a shared voicemail box.
Does this meet the goal?
- A . Yes
- B . No
You are migrating users from Microsoft Skype for Business to Microsoft Teams.
You plan to create an auto attendant that can be used by all the users during the migration.
You need to create the resource account for the auto attendant
What should you use?
- A . the Resource accounts node in the Microsoft Teams admin center
- B . the Users node in the Microsoft 365 admin center
- C . the New-CsHybridApplicationEndpoint cmdlet
- D . the New-CsOnlineApplicationEndpoint cmdlet
- E . the New-CsOnlineApplicationlnstance cmdlet
DRAG DROP
You have a Microsoft Teams Phone deployment.
When you attempt to deploy a Session Border Controller (SBC) named sfac1xontoso.com. you receive the following error message: "We cant use the "SBCl-Contoso.com" domain as it hasn’t been set up in the organization. Try agaax. If you continue to have problems, contact Microsoft customer support."
You need to add the SBC to the tenant.
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 are deploying Microsoft Skype for Business 3PIP phones to remote sites for use with Microsoft Teams.
You need to sign each 3PIP phone in to Teams.
What are two possible ways to achieve the goal? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point.
- A . From the Microsoft Teams admin center, remotely provision a new device.
- B . From the device, instruct a local user to sign in from a computer that connects to the device by using a USB cable.
- C . From the device, instruct a local user to sign in by using the device itself.
- D . From the device, instruct a local user to use the direct inward dial (DID) number and PIN of the assigned account.
- E . From the device, instruct a local user to sign in from the web.


