Microsoft MS-721 practice materials Questions Answers

Exam Code:
MS-721
Exam Name:
Collaboration Communications Systems Engineer Exam
Last Update:
Jun 01,2026

187 Questions Answers Verified by Experts!


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Collaboration Communications Systems Engineer Exam MS-721 practice questions with explanations

 

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Page: 1 / 38
Total Questions: 187

Questions & Answers PDF

• Question 1

  

  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.Your company uses configuration profiles to manage Microsoft Teams-certified IP phones. The Standard configuration profile is applied to the IP phones.The help desk receives reports that several user phones fail to lock automatically after the timeout period.You need to verify whether the configuration profile is applied to the problematic phones. Solution: From Teams Devices in the Microsoft Teams admin center, you select Phones select the Configuration profiles tab, select the Standard Phone Policy, and select Assigned devices.Does this meet the goal?

  • Yes
  • No

  Reveal Answer Answer: B Next Question

• Question 2

  

  You have a Microsoft Teams Phone deploymentYou use Direct Routing with a Survivable Branch Appliance (SBA) at a site.The site experiences an extended internet outage.Which three PSTN calling scenarios are possible during the outage? Each coned answer presents a complete solution.NOTE: Each correct selection is worth one point.

  • dynamic emergency calling
  • outbound PSTN calls
  • inbound PSTN calls
  • call transfer of PSTN calls
  • hold and resume of PSTN calls

  Reveal Answer Answer: A,B,C Next Question

• Question 3

  

  You are planning a Microsoft Teams Phone deployment. That will use Direct Routing. You need to allow traffic from Microsoft 365 to a Session Border Controller (SBC). Which IP address ranges should you allow through the firewall?

  • 52.112.0.0/14 and 52.120.0.0/14
  • 10.10.0.0/24 and 10.11.0.0/24
  • 8.8.8.8/32 and 4422/32
  • 132.245.0.0/16and40.104.0.0/15

  Reveal Answer Answer: A Next Question

• Question 4

  

  You have a Microsoft I earns deployment and an existing telephony solution that provides PSTN capability to on premises third-party PBX systems in two separate locations.You need to implement a redundant PSTN solution for Microsoft Teams Phone. The solution must use the existing telephony earner services. The solution must ensure that outbound calls can be made ifa component fails.Which three components should you implement? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point

  • highly available Session Border Controllers (SBCs)
  • calling policies
  • PSTN usages
  • voice routing policies
  • tenant dial plans

  Reveal Answer Answer: A,C,D Next Question

• Question 5

  

  You need to recommend a PSTN solution for the Teams Phone deployment at the retail sites. The solution must meet the technical requirements.What should you include in the recommendation?

  • Teams Calling Plans
  • Direct Routing without media bypass
  • Operator Connect
  • Direct Routing with media bypass

  Reveal Answer Answer: C Next Question

• Question 6

  

  Your company uses Microsoft Skype for Business Server 2015 and Enterprise Voice as the PSTN solution.You plan to migrate all users to Microsoft Teams Calling Plans.You will decommission Skype for Business Server after the migration is complete.You need to ensure that all the users retain their current phone number once the migration is complete. The solution must minimize the downtime of PSTN features for each user.What should you do first?

  • From the Microsoft 365 admin center, purchase Communications Credits for all the users.
  • Schedule a port order for the phone numbers of all the users.
  • From the Microsoft Teams admin center, order phone numbers for all the users.
  • Migrate all the users to Teams.

  Reveal Answer Answer: B Next Question

• Question 7

  

  You have a Microsoft Teams Phone deployment that uses Direct Routing. You create a new Teams user named User1.You need to enable User1 as an agent in a call queue. What should you do first?

  • Assign a dial plan to User1.
  • Assign a phone number to User1.
  • Enable hosted voicemail for User1.
  • Enable Enterprise Voice for User1.

  Reveal Answer Answer: D Next Question

• Question 8

  

  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.

  • From the Microsoft Teams admin center, remotely provision a new device.
  • From the device, instruct a local user to sign in from a computer that connects to the device by using a USB cable.
  • From the device, instruct a local user to sign in by using the device itself.
  • From the device, instruct a local user to use the direct inward dial (DID) number and PIN of the assigned account.
  • From the device, instruct a local user to sign in from the web.

  Reveal Answer Answer: C,E Next Question

• Question 9

  

  You port phone numbers from a legacy earner 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?

  • Submit a request to convert the number from a user number to a service number.
  • Run the Set-CsOnlineApplicationlnstance cmdlet.
  • Run the Set-CsTeamsUnassignedNumber Treatment cmdlet.
  • Order a new number from Microsoft.

  Reveal Answer Answer: B Next Question

• Question 10

  

  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 set the routing method for the call queue to Attendant routing. Does this meet the goal?

  • Yes
  • No

  Reveal Answer Answer: B Next Question

Page: 1 / 38
Total Questions: 187

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