Download Collaboration Communications Systems Engineer.MS-721.ExamTopics.2025-12-05.201q.vcex

Vendor: Microsoft
Exam Code: MS-721
Exam Name: Collaboration Communications Systems Engineer
Date: Dec 05, 2025
File Size: 10 MB
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Demo Questions

Question 1
Your company has offices in London and Vancouver
The company has a Teams Phone deployment that uses Calling Plans.
The London office contains a user named User1.
User1 moves from the London office to the Vancouver office.
You need to update the phone number and emergency location of User1 to match the new office.
What should you do first?
  1. Run New-CsTeamsEmergencyCallingPolicy -Identity Vancouver.
  2. Modify the current Usage location for User1.
  3. Run Grant-CsTeamsEmergencyCallingPolicy -Identity Vancouver.
  4. Add a new emergency location for User1.
Correct answer: B
Explanation:
B: 14 - MostedC: 2
B: 14 - MostedC: 2
Question 2
Your company has a Microsoft 365 E5 subscription that uses Microsoft Teams.
The company has a department named HR.
You need to ensure that when a user in the HR department creates a highly confidential meeting, a watermark is applied to the recording.
Which two actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
  1. Assign a meeting policy for the HR department users.
  2. Assign a Microsoft Teams Premium license to the HR department users.
  3. Assign a customization policy for the HR department users.
  4. Assign an Azure Information Protection Premium P2 license to the HR department users.
  5. Assign a meeting template policy for the HR department users.
  6. Assign an Azure Active Directory Premium P2 license to the HR department users.
Correct answer: AB
Explanation:
A: 1AB: 20 - MostedAE: 1B: 2BE: 9
A: 1AB: 20 - MostedAE: 1B: 2BE: 9
Question 3
Your company has a main office in Dallas.
The company has a Microsoft Teams Phone deployment.
Currently, the default audio conferencing bridge is set to a phone number that has a Miami area code.
In the Microsoft Teams admin center, you get a number in the Dallas area code.
You need to assign the new Dallas number as the default audio conferencing bridge.
What should you configure in the Microsoft Teams admin center?
  1. the Phone numbers node under Voice
  2. the Conference bridges node under Meetings
  3. the Auto attendants node under Voice
  4. the Networks & locations node under Locations
Correct answer: B
Explanation:
B: 4 - Mosted
B: 4 - Mosted
Question 4
You port phone numbers from a legacy carrier to Microsoft Teams Phone to use with Microsoft Teams Calling Plans.
You attempt to assign a number to a resource account that will be used by an auto attendant, but the number does NOT appear on the list of available numbers.
You need to ensure that you can assign the number to the resource account.
What should you do?
  1. Run the Set-CsOnlineApplicationInstance cmdlet.
  2. Submit a request to convert the number from a user number to a service number.
  3. Run the Set-CsTeamsUnassignedNumberTreatiment cmdlet.
  4. Order a new number from Microsoft.
Correct answer: B
Explanation:
B: 23 - Mosted
B: 23 - Mosted
Question 5
You have a Teams Phone deployment that contains a branch office.
You need to restrict toll bypass for a user based on the office in which the user is working during an inbound or outbound PSTN call.
What should you use?
  1. a voice routing policy
  2. Local Media Optimization
  3. Location-Based Routing
  4. dial plans
  5. a calling policy
Correct answer: C
Explanation:
C: 12 - MostedE: 3
C: 12 - MostedE: 3
Question 6
You are deploying Teams Rooms to a Windows device.
You need to prevent meeting attendees from using room remote in the Teams mobile app.
What should you configure in the Microsoft Teams admin center?
  1. Supported meeting mode
  2. Coordinated Meetings
  3. Front row experience
  4. Bluetooth beaconing
Correct answer: D
Explanation:
B: 1D: 5 - Mosted
B: 1D: 5 - Mosted
Question 7
You have a Teams Phone deployment that uses Direct Routing and a legacy PBX.
You need to leverage the PBX during outbound calls from a scheduled Teams meeting.
What should you create?
  1. an Audio Conferencing policy
  2. an Audio Conferencing routing policy
  3. a meeting broadcast policy
Correct answer: B
Explanation:
B: 9 - Mosted
B: 9 - Mosted
Question 8
You have a Teams Phone deployment. The deployment has a single Session Border Controller (SBC) that uses Direct Routing.
Users report that outbound PSTN calls fail.
You need to identify the quantity of specific SBC SIP errors.
What should you review?
  1. Quality of Experience Reports in Microsoft Call Quality Dashboard
  2. the Jitter tab in Network parameters in the Microsoft Teams admin center
  3. the network effectiveness ratio on the Usage tab for the SBC in the Microsoft Teams admin center
  4. Endpoint Reports in Microsoft Call Quality Dashboard
Correct answer: C
Explanation:
C: 10 - Mosted
C: 10 - Mosted
Question 9
You have a Microsoft Teams Phone deployment that contains a Session Border Controller (SBC) named SBC1.contoso.com.
Direct Routing integrates with a PBX phone system that uses only four-digit dialing and is configured to use the SBC.
Teams is configured to use dial plans that normalize any four-digit calls to E.164.
You have the following translation rule.
You need to ensure that calls to the legacy PBX pass only a four-digit extension.
How should you complete the PowerShell command? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Correct answer: To work with this question, an Exam Simulator is required.
Question 10
Your company has offices throughout the United States.
The company is opening a new office in Scranton. The office will occupy two floors in the same building.
You need to ensure that if an emergency call is placed, the local emergency dispatchers know from which floor the call came.
How should you complete the PowerShell script? To answer, drag the appropriate values to the correct targets. Each value 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: To work with this question, an Exam Simulator is required.
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