Microsoft Collaboration Communications Systems Engineer MS-721 Exam Dumps: Updated Questions & Answers (January 2026)

You have a Microsoft Teams deployment.

You plan to schedule the events shown in the following table.

You need to recommend which type of event access to use for the events.

What should you recommend for each event? To answer, drag the event access types to the correct events. Each event access type 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 have a Microsoft Teams Phone deployment.

You are deploying a new remote site.

You have a Session Border Controller (SBC) that has an E1/T1 Primary Rate Interface (PRI) deployed to the remote site.

You plan to deploy a Survivable Branch Appliance (SBA) to ensure PSTN connectivity.

Which type of endpoints is supported by the SBA?

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?

You are deploying a Teams Rooms on Windows device.

You need to enable public preview lo lest newly released beta features.

What should you do?

You have a Teams Phone deployment.

When you review the Server - Client summary reports in Teams, you discover that Wired inside data is unavailable as shown in the following exhibit.

You need to review the monthly and daily trends in the reports.

What should you do?

You have a Microsoft Teams deployment.

You plan to deploy Teams Rooms. The solution must meet the following requirements:

• Support one-touch join to third-party online meetings.

• Enable users to cast content from their devices.

What should you configure for each requirement? To answer, drag the appropriate features to the correct requirements. Each feature 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 are selecting devices for use in conference rooms. The conference rooms must support two front of room displays.

Which two types of devices meet the requirements? Each correct answer presents a complete solution.

NOTE: Each correct selection is worth one point.

You need to connect the analog intercoms to Teams Phone.

Which two actions should you perform? Each correct answer presents part of the solution.

NOTE: Each correct selection is worth one point.

You need to assign a phone number to User1 to meet the technical requirements.

How should you complete the command? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

You are replacing the on-site PBX at the Georgia warehouse with Teams.

You need to maintain the functionality of the PBX after migrating to Teams.

Which sequence of steps should you perform? To answer, drag the appropriate steps to the correct locations. Each step 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.