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Microsoft MS-721 Exam Questions

Exam Name: Collaboration Communications Systems Engineer
Exam Code: MS-721
Related Certification(s):
  • Microsoft 365 Certifications
  • Microsoft Teams Voice Engineer Expert Certifications
Certification Provider: Microsoft
Actual Exam Duration: 100 Minutes
Number of MS-721 practice questions in our database: 243 (updated: Feb. 22, 2026)
Expected MS-721 Exam Topics, as suggested by Microsoft :
  • Topic 1: Plan and design collaboration communications systems: This domain covers how to plan and design Teams meeting policies and settings, plan and design Teams Phone and PSTN connectivity, plan and design Teams-certified device solutions, and prepare the network for Teams.
  • Topic 2: Configure and manage Teams meetings, webinars, and town halls: In this domain, managing meeting policies including policy packages and group policy assignments are focused. More topics include configuring meeting settings, and avatars for Teams meetings, configure Microsoft Mesh meetings in Microsoft Teams, configure and manage audio conferencing, configure and manage Teams webinars, and configure and manage Teams Town halls.
  • Topic 3: Configure and manage Teams Phone: This domain covers how to configure Teams Phone policies, dial plans, calling policies, call park policies, caller ID policies, IP Phone policies, and mobility policies. Moreover, it also covers configuring auto attendants and call queues, configure dynamic emergency calling, and configuring dynamic emergency calling, configuring and managing calling features for Teams Phone, and configuring and managing calling features for Teams Phone.
  • Topic 4: Configure and manage Teams Rooms and devices: This section covers how to manage and maintain Teams Rooms and devices, device settings, local network settings, and device updates. it also covers how to configure and manage Teams Android devices and manage Teams Windows devices in addition to optional features for Teams Rooms and devices.
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Melodie

12 hours ago
Nervous about troubleshooting under pressure, but PASS4SUCCESS gave step-by-step tactics and realistic simulations. You've got this—face the test with calm focus.
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Natalie

9 days ago
Troubleshooting MS Teams telephony turned into a maze until I worked through PASS4SUCCESS sims that mirrored real error traces.
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Rutha

17 days ago
The tricky QoS and voice routing scenarios were brutal; PASS4SUCCESS mock exams mapped the logic and helped me pick the right configurations.
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Willard

25 days ago
I worried about multi-vendor scenarios, yet PASS4SUCCESS offered practical labs and feedback that made me confident. You've prepared well—trust your readiness.
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Moon

1 month ago
I was a bit nervous going into the exam, but the PASS4SUCCESS practice tests really helped me feel prepared and ready to tackle any challenge. Definitely don't skip those - they're a game-changer.
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Estrella

1 month ago
My mind went blank on some topics, but PASS4SUCCESS helped me reset with targeted reviews and confident practice. Believe in your study plan and finish strong.
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Vallie

2 months ago
If you're preparing for the Microsoft Collaboration Communications Systems Engineer exam, don't underestimate the power of the PASS4SUCCESS practice exams. They were instrumental in helping me revise effectively and stay focused on the right topics.
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Luisa

2 months ago
I was anxious about exam time pressure, but PASS4SUCCESS taught efficient strategies and mock exams that boosted my confidence. You're closer than you think—keep grinding.
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Bettina

2 months ago
The initial nerves about network integration were overwhelming, but PASS4SUCCESS provided clear guides and timed drills that sharpened my pace. Stay calm and keep pushing forward.
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Mayra

2 months ago
I passed the Microsoft Collaboration Communications Systems Engineer exam, and the Pass4Success practice questions played a big role. One question that stumped me was about managing and setting up Teams Rooms and Devices, particularly the integration with third-party AV systems. Despite my doubts, I succeeded.
upvoted 0 times
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Inocencia

3 months ago
Thrilled to have passed the Microsoft Collaboration Communications Systems Engineer exam. The Pass4Success practice questions were invaluable. There was a question on configuring and managing Teams Phone, asking about the best practices for configuring emergency calling. I was a bit uncertain, but I still passed.
upvoted 0 times
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Avery

3 months ago
I successfully passed the Microsoft Collaboration Communications Systems Engineer exam, and the Pass4Success practice questions were very useful. One question that puzzled me was about planning and designing collaboration communications systems, especially the considerations for network bandwidth. I wasn't entirely sure, but I made it through.
upvoted 0 times
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Cecily

3 months ago
Excited to announce that I passed the Microsoft Collaboration Communications Systems Engineer exam. The Pass4Success practice questions were a lifesaver. A question that caught me off guard was about managing and setting up Teams Rooms and Devices, specifically the requirements for deploying Teams Panels. Despite my doubts, I passed.
upvoted 0 times
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Dyan

3 months ago
I struggled with Edge cases in license management and how access policies interplay; PASS4SUCCESS practice questions gave me the drill to recognize patterns quickly.
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Tammara

4 months ago
I doubted myself at first, worrying about complex collaboration tools, but PASS4SUCCESS broke it down into manageable steps. You can do it—perseverance pays off.
upvoted 0 times
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Earleen

4 months ago
Acing this exam was no easy feat, but the PASS4SUCCESS practice tests gave me the confidence I needed to tackle even the toughest questions. Time management was key, and those practice exams really helped me stay on track.
upvoted 0 times
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Svetlana

4 months ago
My hands trembled during practice questions, yet PASS4SUCCESS gave me structured study paths and real-world simulations, which built my confidence. Stay focused and believe in your preparation.
upvoted 0 times
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Ronald

5 months ago
The hardest part for me was the hybrid modern authentication questions; the PASS4SUCCESS practice exams drilled the exact scenarios and showed the right sequence of steps to take.
upvoted 0 times
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Jaime

5 months ago
I was nervous about the unfamiliar scenarios and timing, but PASS4SUCCESS walked me through practical labs and concise tips, boosting my confidence. Keep practicing and trust the process—you've got this.
upvoted 0 times
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Norah

5 months ago
Passing the Microsoft Collaboration Communications Systems Engineer exam was a game-changer for me. The PASS4SUCCESS practice exams were a lifesaver - they really helped me identify my weak areas and focus my study efforts.
upvoted 0 times
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Cammy

5 months ago
Passed the exam thanks to Pass4Success. Their questions were incredibly relevant and helpful!
upvoted 0 times
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Alonso

5 months ago
Happy to share that I passed the Microsoft Collaboration Communications Systems Engineer exam. The Pass4Success practice questions were spot on. One question that puzzled me was about configuring and managing Teams Phone, particularly the steps to set up auto attendants. Even though I was unsure, I still passed.
upvoted 0 times
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Theron

6 months ago
Just became Microsoft Certified! Pass4Success's prep materials were invaluable.
upvoted 0 times
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Maurine

6 months ago
I passed the Microsoft Collaboration Communications Systems Engineer exam, thanks to the Pass4Success practice questions. There was a challenging question on planning and designing collaboration communications systems, asking about the security considerations for remote work. I wasn't completely confident, but I managed to pass.
upvoted 0 times
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Willard

9 months ago
Huge thanks to Pass4Success! Their materials were spot-on for the Collab Comms Systems Engineer exam.
upvoted 0 times
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Fannie

10 months ago
The exam was challenging, but Pass4Success made all the difference. Passed and certified now!
upvoted 0 times
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Samira

11 months ago
Pass4Success made studying efficient. Passed the MS cert exam in record time!
upvoted 0 times
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Lucina

1 year ago
Impressed by how closely Pass4Success questions matched the actual exam. Definitely helped me pass!
upvoted 0 times
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Felix

1 year ago
Thanks to Pass4Success, I felt well-prepared for the Collaboration Comms exam. Passed with flying colors!
upvoted 0 times
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Barrie

1 year ago
Just passed the Microsoft Collaboration Communications Systems Engineer exam! The Pass4Success practice questions were a great help. One question that stumped me was about managing and setting up Teams Rooms and Devices, specifically the configuration of room controls. Despite my uncertainty, I succeeded.
upvoted 0 times
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Danica

1 year ago
Pass4Success really came through. Their practice tests were key to my success!
upvoted 0 times
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Quentin

1 year ago
I passed the Microsoft Collaboration Communications Systems Engineer exam, and the Pass4Success practice questions played a big role. There was a question on configuring and managing Teams Phone, asking about the process for porting phone numbers. I was a bit uncertain, but I still passed.
upvoted 0 times
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Ming

1 year ago
Thrilled to have passed the Microsoft Collaboration Communications Systems Engineer exam. The Pass4Success practice questions were invaluable. One question I found tricky was about planning and designing collaboration communications systems, especially the considerations for hybrid work environments. I wasn't entirely sure, but I made it through.
upvoted 0 times
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Antonio

1 year ago
Aced the Microsoft Certified exam! Pass4Success's materials were a lifesaver.
upvoted 0 times
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Gregoria

1 year ago
I successfully passed the Microsoft Collaboration Communications Systems Engineer exam, and the Pass4Success practice questions were very useful. A question that puzzled me was about managing and setting up Teams Rooms and Devices, particularly the integration with third-party AV systems. Despite my doubts, I passed.
upvoted 0 times
...

Tyisha

1 year ago
Excited to announce that I passed the Microsoft Collaboration Communications Systems Engineer exam. The Pass4Success practice questions were a lifesaver. One question that caught me off guard was about configuring and managing Teams Phone, specifically the steps to set up call queues. Even though I was unsure, I still passed.
upvoted 0 times
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Tiara

1 year ago
Couldn't have passed without Pass4Success. Their exam questions were so relevant!
upvoted 0 times
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Rutha

1 year ago
I passed the Microsoft Collaboration Communications Systems Engineer exam, thanks to the Pass4Success practice questions. There was a challenging question on planning and designing collaboration communications systems, asking about the considerations for network bandwidth. I wasn't completely confident, but I managed to pass.
upvoted 0 times
...

Devorah

1 year ago
Happy to share that I passed the Microsoft Collaboration Communications Systems Engineer exam. The Pass4Success practice questions were spot on. One question that stumped me was about setting up Teams Rooms and Devices, particularly the requirements for deploying Teams Panels. Despite my uncertainty, I succeeded.
upvoted 0 times
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Alonso

1 year ago
Whew, that exam was tough! Grateful for Pass4Success helping me prepare in such a short time.
upvoted 0 times
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Leonida

1 year ago
Just cleared the Microsoft Collaboration Communications Systems Engineer exam! The Pass4Success practice questions were a great resource. There was a tricky question on managing Teams Phone, asking about the best practices for configuring emergency calling. I was a bit unsure, but I still made it through.
upvoted 0 times
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Nan

1 year ago
I recently passed the Microsoft Collaboration Communications Systems Engineer exam, and I must say, the Pass4Success practice questions were incredibly helpful. One question I remember was about configuring Teams Rooms and devices, specifically how to set up a Teams Room with multiple displays. I wasn't entirely sure about the correct sequence of steps, but I managed to pass the exam!
upvoted 0 times
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Markus

1 year ago
Overall, the exam was challenging but fair. Focus on hands-on experience with Teams administration and stay up-to-date with the latest features.
upvoted 0 times
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Jestine

2 years ago
Just passed the MS Collaboration Comms Systems Engineer exam! Thanks Pass4Success for the spot-on practice questions!
upvoted 0 times
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Bulah

2 years ago
Passed the exam with flying colors! Focus on Teams migration and coexistence strategies. You might encounter questions on planning hybrid deployments. Make sure you understand the steps for migrating from Skype for Business to Teams. Pass4Success's exam questions were invaluable for my quick preparation.
upvoted 0 times
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Aleisha

2 years ago
Passing the Microsoft Collaboration Communications Systems Engineer exam was a great achievement for me, and I owe a part of my success to Pass4Success practice questions. The exam covered topics such as planning and designing Teams Phone and PSTN connectivity, as well as preparing the network for Teams. One question that I found particularly challenging was related to identifying the licensing requirements to enable Teams Phone for shared devices and Teams resource accounts. Despite my initial uncertainty, I managed to pass the exam.
upvoted 0 times
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Emilio

2 years ago
My exam experience for the Microsoft Collaboration Communications Systems Engineer exam was successful, thanks to the practice questions provided by Pass4Success. The exam focused on planning for PSTN audio conferencing, including licensing requirements for Teams Phone, PSTN connectivity, and network analysis using the Microsoft Teams Network Assessment Tool. One question that challenged me was related to recommending a room configuration based on customer and business needs. Despite my uncertainty, I was able to pass the exam.
upvoted 0 times
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Nu

2 years ago
Successfully completed the exam! A crucial area was Teams security and compliance. Be ready for scenarios on configuring sensitivity labels and retention policies. Understand how to implement information barriers in Teams. Pass4Success really helped me prepare efficiently.
upvoted 0 times
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Adelina

2 years ago
I recently passed the Microsoft Collaboration Communications Systems Engineer exam with the help of Pass4Success practice questions. The exam covered topics such as planning and designing Teams meeting policies and settings, PSTN connectivity, and network readiness for Teams. One question that stood out to me was related to selecting the appropriate Teams-certified device solutions for a specific business scenario. Despite being unsure of the answer, I managed to pass the exam.
upvoted 0 times
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Shantell

2 years ago
Just passed the Microsoft Certified: Collaboration Communications Systems Engineer exam! One key topic was Teams voice routing. Expect questions on configuring dial plans and voice policies. Study the different components of Direct Routing thoroughly. Thanks to Pass4Success for the spot-on practice questions!
upvoted 0 times
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Andrew

2 years ago
Wow, that exam was tough! But Pass4Success materials were a lifesaver. Passed with flying colors. Couldn't have done it without you!
upvoted 0 times
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Cordelia

2 years ago
Just became MS Certified in Collab Comms! Pass4Success, your exam questions were spot-on. Thanks for helping me prepare so quickly!
upvoted 0 times
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Jesusa

2 years ago
Success! MS Certified in Collaboration Comms Systems Engineering. Pass4Success, your questions were incredibly relevant. Thank you for the efficient prep!
upvoted 0 times
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Viola

2 years ago
Aced the MS Collab Comms exam! Pass4Success, your practice tests were on point. Grateful for the time-saving, targeted preparation.
upvoted 0 times
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Kristel

2 years ago
Just passed the MS Collaboration Comms Systems Engineer exam! Thanks Pass4Success for the spot-on practice questions. Saved me weeks of prep time!
upvoted 0 times
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Free Microsoft MS-721 Exam Actual Questions

Note: Premium Questions for MS-721 were last updated On Feb. 22, 2026 (see below)

Question #1

You have a Microsoft Teams Phone deployment.

You have two users that must receive calls for one another. When a call is received by one user, the other user must only receive a visual notification.

What should you use?

Reveal Solution Hide Solution
Correct Answer: C

Question #2

You have a Microsoft Teams Phone deployment that is used in the United States. You need to ensure that emergency calls placed to 9911.

What should you configure?

Reveal Solution Hide Solution
Correct Answer: D

Question #3

You have a Microsoft Teams Phone deployment.

You have two users that must receive calls for one another. When a call is received by one user, the other user must only receive a visual notification.

What should you use?

Reveal Solution Hide Solution
Correct Answer: C

Question #4

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.

Reveal Solution Hide Solution
Correct Answer: A, D

https://docs.microsoft.com/en-us/microsoftteams/plan-auto-attendant-call-queue

Question #5

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?

Reveal Solution Hide Solution
Correct Answer: B

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

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