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Microsoft MS-721 : Collaboration Communications Systems Engineer
- Exam Code: MS-721
- Exam Name: Collaboration Communications Systems Engineer
- Updated: Oct 12, 2026 Q&As: 290 Questions and Answers
About Microsoft MS-721 Exam
Choosing between dozens of similar-looking study packages is easier when you know what actually matters: accurate content, flexible formats, and service that does not disappear after payment. DumpsTests delivers all three for the MS-721 exam with 290 verified practice questions.
Microsoft MS-721 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Plan and design collaboration communications systems | 30% | - Plan and configure Teams Phone
|
| Topic 2: Configure and manage Teams meetings and conferencing | 20% | - Configure and manage meeting experiences
|
| Topic 3: Configure and manage Teams Phone | 25% | - Configure and manage PSTN connectivity
|
| Topic 4: Manage collaboration communications systems | 25% | - Monitor and troubleshoot meetings and conferencing
|
Inside Our Microsoft Collaboration Communications Systems Engineer Practice Package
This package includes 290 practice questions for the Microsoft Collaboration Communications Systems Engineer exam. Every answer is verified by an experienced team of experts, so you can trust what you study.
The Microsoft Collaboration Communications Systems Engineer exam requires a score of 700 to pass, and the official registration fee is $165 USD. Factoring in both before you start helps you plan the full cost of certification.
One purchase covers the full journey: three versions of the material (PDF, PC test engine, and online version), a free demo to try before buying, 365 days of free updates delivered automatically, and customer service you can reach whenever a question comes up. Nothing essential is sold separately.
The Microsoft Collaboration Communications Systems Engineer practice questions are organized around the official exam objectives. Key topics include:
- Manage collaboration communications systems (25%)
- Configure and manage Teams Phone (25%)
- Configure and manage Teams meetings and conferencing (20%)
Keeping your revision mapped to these objectives makes every session productive.
Yes. Candidates who come back for additional certifications receive discounts when they buy further practice packages. If you already hold one of our products, ask our staff about the current returning-customer offer before your next purchase.
The Microsoft Collaboration Communications Systems Engineer exam is scored on a scale where 700 is required to pass, and the official exam fee is $165 USD.
Candidates should have experience with Microsoft 365, networking, telecommunications, and PowerShell. Recommended to have Microsoft 365 Certified: Teams Administrator Associate certification or equivalent knowledge.
You can confirm the current eligibility requirements on the official MS-721 exam page before you register.
The Microsoft Collaboration Communications Systems Engineer exam contains 40-60 questions, and you will have 100-120 minutes to complete them. Training against the same volume of questions prepares both your knowledge and your pace.
Microsoft Collaboration Communications Systems Engineer Sample Questions:
Question #1
You are deploying Teams Rooms to a Windows device.
You need to prevent meeting attendees from using room remote in the Teams mobile app.
What should you configure in the Microsoft Teams admin center?
- A. Front row experience
- B. Coordinated Meetings
- C. Bluetooth beaconing
- D. Supported meeting mode
Correct Answer: C 🗳️
Explanation: Only visible for DumpsTests members. You can sign-up / login (it's free).
Question #2
You have a Teams Phone deployment.
You have a Survivable Branch Appliance (SBA) that has local PSTN connectivity. The SBA is deployed to a remote site. Which two features require internet connectivity to function? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point.
- A. call queues
- B. emergency calling
- C. call forwarding
- D. media bypass
- E. Teams-certified phones
Correct Answer: C,D 🗳️
Question #3
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?
- A. The phone numbers of the users are defined by running the New-csTeamsUnassignedNuirtoer Treatment cmdlet.
- B. The online PSTN gateway is disabled.
- C. An SBC certificate is expired.
- D. An external DNS entry is missing from the FQDN of the SBC.
Correct Answer: B 🗳️
Explanation: Only visible for DumpsTests members. You can sign-up / login (it's free).
Question #4
You have a Microsoft Teams Phone deployment.
You plan to deploy 25 shared Android devices as phones for a front desk.
You need to ensure that when a phone handset is picked up. the phone autodials to a centralized reception.
The solution must minimize administrative effort.
What should you do?
- A. Create a configuration profile and assign the profile to the devices.
- B. Configure advanced calling on each device.
- C. Create a device tag and assign the tag to each device.
- D. Configure hotline on each device.
Correct Answer: A 🗳️
Question #5
You need to assign a license to users to meet the technical requirements.
How should you complete the PowerShell script? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Correct Answer:
Explanation:
Reference:
https://docs.microsoft.com/en-us/powershell/module/microsoft.graph.users.actions/set-mguserlicense?view=graph-powershell-beta
https://docs.microsoft.com/en-us/skypeforbusiness/skype-for-business-and-microsoft-teams-add-on-licensing/assign-skype-for-business-and-microsoft-teams-licenses
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