Microsoft Microsoft 365 Certified: Collaboration Communications Systems Engineer Associate MS-721 Questions & Answers

• Question 1:

  You have a Microsoft Teams Phone deployment

  You 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.

  A. dynamic emergency calling

  B. outbound PSTN calls

  C. inbound PSTN calls

  D. call transfer of PSTN calls

  E. hold and resume of PSTN calls

  Correct Answer: ABC

  Reference: https://docs.microsoft.com/en-us/skypeforbusiness/plan-your-deployment/enterprise-voicesolution/enterprise-voice-resiliency

• Question 2:

  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 if a component fails.

  Which three components should you implement? Each correct answer presents part of the solution.

  A. highly available Session Border Controllers (SBCs)

  B. calling policies

  C. PSTN usages

  D. voice routing policies

  E. tenant dial plans

  Correct Answer: ACD

  Reference: https://docs.microsoft.com/en-us/microsoftteams/direct-routing-voice-routing

• Question 3:

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

  You need to implement Local Media Optimization.

  In the Microsoft Teams admin center, you configure the external trusted IP addresses and define the network regions, network sites, and network subnets.

  What should you do next?

  A. Define a voice route.

  B. Assign Session Border Controllers (SBCs) to sites.

  C. Create a trunk translation rule.

  D. Modify the default emergency calling policy

  Correct Answer: B

  Reference: https://docs.microsoft.com/en-us/microsoftteams/direct-routing-media-optimization-configure

• Question 4:

  You need to implement Local Media Optimization.

  A. 132.245.0.0 and 40.104.0.0

  B. 10.10.0.0 and 10.11.0.0

  C. 8.8.8.8 and 4.4.2.2

  D. 52.112.0.0 and 52.120.0.0

  Correct Answer: D

  Reference: https://docs.microsoft.com/en-us/microsoftteams/direct-routing-plan

• Question 5:

  You have an analog phone system.

  You plan to migrate to Microsoft Teams Phone.

  You need to recommend devices for common area phones that any user can use. The solution must meet the following requirements; Can access the Teams directory for dial by name.

  Can be administered remotely.

  Can place and pick up calls.

  Support hot desking.

  Minimize costs.

  Which type of devices should you recommend?

  A. Microsoft-certified 3PIP handsets

  B. Microsoft Teams-certified handsets

  C. Microsoft Teams Rooms devices

  D. Microsoft-certified headsets

  E. the existing analog handsels

  Correct Answer: C

• Question 6:

  Your company deploys 200 Microsoft Teams Rooms on Windows systems.

  You are evaluating whether to purchase the Microsoft Teams Rooms Premium license for the rooms.

  Which two actions require the Microsoft Teams Rooms Premium license? Each correct answer presents a complete solution.

  A. Download device logs.

  B. View peripheral health.

  C. Get reporting insights into room usage and participant count

  D. Postpone updates until a certain date.

  E. Modify the Direct guest jam settings

  Correct Answer: BC

  Reference: https://docs.microsoft.com/en-us/microsoftteams/rooms/microsoft-teams-roomspremium

• Question 7:

  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?

  A. the SIP Tester client script

  B. Microsoft 365 network connectivity test tool

  C. Microsoft Teams Network Assessment Tool

  D. Microsoft Remote Connectivity Analyzer

  Correct Answer: A

• Question 8:

  You are adding new sites to your company.

  The reporting team needs location-based reports in Microsoft Power B1 that include the subnet

  information of the new sites.

  You need to add the information to Microsoft Teams. What should you do?

  A. From the Microsoft Call Quality Dashboard, upload tenant data.

  B. From the Microsoft Teams admin center, define a network subnet.

  C. From the Microsoft Teams admin center, define a network topology.

  D. From the Microsoft Teams admin center, add the subnets to the Network planner.

  Correct Answer: A

  Reference: https://docs.microsoft.com/en-us/microsoftteams/cqd-upload-tenant-building-data

• Question 9:

  You have a Microsoft Teams Phone deployment.

  You are deploying Direct Routing by using a certified Session Border ControNer CSBC). The FQDN of the SBC is sbc1.contoso.com. You use signaling port 5067. You cannot place calls and receive an error message in the Microsoft Teams

  admin center as shown in the following exhibit.

  

  What is a possible cause of the issue?

  A. The firewall blocks traffic on pan 5067

  B. Location-Based Routing is enabled for the SBC.

  C. Calling plan licenses are not assigned to users.

  D. The SIP options are disabled.

  Correct Answer: A

  Reference: https://docs.microsoft.com/en-us/microsoftteams/troubleshoot/phone-system/direct-routing/sipoptions-tls-certificate-issues

• Question 10:

  You have a Microsoft 365 tenant that has Modern authentication enabled for an services Multi-factor authentication (MFA) is enforced for all users.

  You are deploying Microsoft Teams Rooms.

  The first time you attempt to sign in to a Teams Rooms, you receive an error message indicating that the device cannot sign in to Teams.

  You verify that Modern authentication is enabled in Teams Rooms.

  What prevents you from signing in?

  A. The Microsoft Authenticates app is not configured for the Teams Rooms account-

  B. The Teams Rooms account is not licensed for Microsoft intune.

  C. Teams Rooms must be domain joined first.

  D. MFA is unsupported In reams Rooms.

  Correct Answer: D