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Microsoft Collaboration Communications Systems Engineer MS-721 Exam

Attempt the Microsoft 365 practice test and solve real exam-like MS-721 questions to prepare efficiently and increase your chances of success. Our Microsoft MS-721 practice questions match the actual Collaboration Communications Systems Engineer exam format, helping you enhance confidence and improve performance. With our MS-721 practice exam software, you can analyze your performance, identify weak areas, and work on them effectively to boost your final Microsoft 365 exam score.

Vendor: Microsoft
Exam Name: Collaboration Communications Systems Engineer
Registration Code: MS-721
Related Certification: Microsoft 365, Microsoft Teams Voice Engineer Expert Certifications
Exam Track: Modern work certifications
Exam Audience: Microsoft 365 Administrator, Systems engineers,

Total Questions

243

Last Updated

17-01-2026

Exam Duration

100 MINUTES

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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?

Question: 2

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?

Question: 3

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.

Question: 4

You have a Microsoft Teams Phone deployment that uses Direct Routing.

You connect a new Session Border Controller (SBC).

You need to verify that all the voice features work as expected for calls that traverse the SBC

What should you use?

Question: 5

You create a network region Region1 in Microsoft Teams.

You are adding a network site to Region1. The site has a 1.5-Mb connection.

You need to ensure that all users at the site have a good voice experience.

What should you do?

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