Microsoft MS-721 Exam Practice Questions (P. 1)
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Question #1
HOTSPOT -
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.
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.

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Question #2
You have a Teams Phone deployment that uses Direct Routing on a single Session Border Controller (SBC).
Users report that outbound PSTN calls are failing, but inbound PSTN calls are successful.
When you review the SBC logs, you discover that Microsoft is responding to SIP option requests, but is NOT sending SIP option requests.
What is the cause of the issue?
Users report that outbound PSTN calls are failing, but inbound PSTN calls are successful.
When you review the SBC logs, you discover that Microsoft is responding to SIP option requests, but is NOT sending SIP option requests.
What is the cause of the issue?
- AThe online PSTN gateway is disabled.
- BAn SBC certificate is expired.
- CAn external DNS entry is missing from the FQDN of the SBC.
- DThe phone numbers of the users are defined by running the New-csTeamsUnassignedNumberTreatment cmdlet.
Correct Answer:
A
A

The cause of the outbound PSTN call issues in a single SBC Teams Phone deployment using Direct Routing is typically due to the online PSTN gateway being disabled. This affects the system's ability to initiate outbound calls while still receiving inbound calls, correlating with the symptoms described. Please verify the status of the online PSTN gateway through the Teams admin center or using PowerShell to resolve this issue.
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Question #3
The sales department at your company needs to route a call to multiple users and have calls route differently after business hours.
Which two features should you implement? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
Which two features should you implement? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
- Acall queuesMost Voted
- Bcalling policies
- Cvoice routing policies
- Dauto attendantsMost Voted
- Ecaller ID policies
Correct Answer:
AD
AD

To effectively handle the needs of the sales department where a call is routed to multiple users and behaves differently after hours, the best solution integrates 'call queues' and 'auto attendants'. 'Call queues' are essential as they enable the distribution of phone calls to a group of users, thus accommodating multiple users handling incoming calls. 'Auto attendants', on the other hand, are crucial for managing calls beyond regular business hours. They provide the functionality to greet callers with custom messages and routing options, optimizing call management around the clock. Utilizing these two features ensures efficient and precise call routing suited to business needs.
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Question #4
DRAG DROP -
You have a Microsoft Teams Phone deployment.
You need to create two call queues named CQ1 and CQ2. The solution must meet the following requirements:
CQ1 must balance incoming calls so that each call agent receives the same number of calls
Calls received by CQ2 must ring all call agents simultaneously
What should you configure for each requirement? To answer, drag the appropriate routing methods to the correct requirements. Each routing method 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 need to create two call queues named CQ1 and CQ2. The solution must meet the following requirements:
CQ1 must balance incoming calls so that each call agent receives the same number of calls
Calls received by CQ2 must ring all call agents simultaneously
What should you configure for each requirement? To answer, drag the appropriate routing methods to the correct requirements. Each routing method 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.

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Question #5
You have a Microsoft Teams Phone deployment.
You are deploying Direct Routing by using a certified Session Border Controller (SBC). 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?
You are deploying Direct Routing by using a certified Session Border Controller (SBC). 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?
- ACalling plan licenses are not assigned to users
- BThe failover timer is set to 0 seconds
- CThe Forward P-Asserted Identify (PAI) header is disabled
- DThe Baltimore or the Digicert root certificates are missing on the SBC.Most Voted
Correct Answer:
D
D
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