Free MS-721: Collaboration Communications Systems Engineer Exam Questions and Answers
Collaboration Communications Systems Engineer is exam MS-721, part of Microsoft Certifications. Microsoft exam codes name the solution area rather than the level — AZ for Azure, DP for data, MS for Microsoft 365, PL for Power Platform, SC for security, AI for Azure AI — with one reliable rule: any exam numbered 900 or 901 is Fundamentals. Every technical exam is scored from 1 to 1000 with 700 to pass, a scaled score Microsoft notes is explicitly not 70% of the marks.
If you searched for MS-721 dumps, an MS-721 ExamTopics discussion or a free MS-721 PDF, this is the Collaboration Communications Systems Engineer question bank: practice questions with verified answers and explanations, a timed MS-721 practice test and updates whenever Microsoft changes the exam.
Last updated: September 30, 2026
- Exam code
- MS-721
- Provider
- Microsoft
- Questions in our bank
- 1000+
- Free to read
- First 10, with answers
- Official page
- Official Exam website
- Our test mode duration & pass mark
- 130 mins · 70%
Recommended: Switch to Test Mode to start a practice test that simulates the real exam experience.
Question #1
You need to ensure that numbers dialed from the Melbourne warehouse conform to the dialing rules of the phone earner. How should you complete the command? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

Type your answer, then reveal.
Correct answer: Grant-CsDialOutPolicy; ^\+613(\d{9})$

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Question #2
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.
Select 2 answers.
Correct answer: C, E
Explanation
Analog devices connect through analog telephone adapters (ATAs) registered with a Teams-certified SBC, and the SBC is connected to Teams via Direct Routing.
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Question #3
Once Direct Routing is deployed, you need to prepare the environment to support a Teams SBA in the Vancouver facility. The solution must meet the technical requirements. Which three actions should you perform? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.
Select 3 answers.
Correct answer: A, B, D
Explanation
Deploying a Teams Survivable Branch Appliance requires registering an application in Azure AD, creating the SBA with New-CsTeamsSurvivableBranchAppliance, and configuring the SBC for media bypass.
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Question #4
Exhibit You are deploying Microsoft Teams Calling Plans. You port all phone numbers to Microsoft Teams Phone as shown in the exhibit (Click the Exhibit tab.) You need to assign. The number -1-234-555-5334 to an auto attendant. What should you do first?

Correct answer: C
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Question #5
You have two users named User1 and User2. You need to configure User2 as a call delegate for Uset1. The solution must meet the following requirements: • Minimize disruptions to User1. • Prevent User2 from placing cans on behalf of User1. • Prevent User2 from modifying the settings of User1. Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.

Work out the matching from the exhibit, then reveal.
Correct answer: 1 = From the Microsoft Teams admin center, select Voice, select Phone numbers, and then select the phone number of User1.; 2 = For User2, set Permission to Receive calls, and then set Allow changing call settings to Off.; 3 = Instruct User1 to sign in to the Microsoft Teams client, establish a remote session to his computer, and then configure the delegation settings in the Teams client.

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Question #6
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution. After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen. You need to create a new call queue to route calls to support agents. The support agents must be able to see their call queue history and the shared transcribed voicemail. The solution must minimize administrative effort. Solution: You configure the call queue to use a team and a channel. Does this meet the goal?
Correct answer: A
Explanation
A call queue linked to a team channel lets agents see the queue's call history and shared transcribed voicemail in the channel with minimal setup.
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Question #7
Your company has offices in London and Vancouver The company has a Teams Phone deployment that uses Calling Plans. The London office contains a user named User1. User1 moves from the London office to the Vancouver office. You need to update the phone number and emergency location of User1 to match the new office. What should you do first?
Correct answer: B
Explanation
Calling Plan numbers and emergency locations must match the user's usage location, so User1's usage location must first be changed to Canada before a Vancouver number and emergency address can be assigned.
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Question #8
You need to prevent a specific user from calling international phone numbers from within a Microsoft Teams meeting. What should you do?
Correct answer: D
Explanation
A dial-out policy (outbound calling restriction) controls whether a user can dial international numbers from meetings.
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Question #9
Your company uses configuration profiles to manage Microsoft Teams-certified IP phones. The Standard configuration profile is applied to the IP phones. The help desk receives reports that several user phones fail to lock automatically after the timeout period. You need to verify whether the configuration profile is applied to the problematic phones. Solution: From Devices in the Microsoft Teams admin center, you locate each affected phone and review the settings on the Details tab. Does this meet the goal?
Correct answer: B
Explanation
The device Details tab shows hardware and status information; the assigned configuration profile is shown in the Configuration profile column of the IP Phones list.
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Question #10
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. NOTE: Each correct selection is worth one point
Select 2 answers.
Correct answer: B, C
Explanation
Peripheral health monitoring and room usage/participant reporting insights are part of the Teams Rooms Pro/Premium managed service; log download, update scheduling and Direct Guest Join are available with the standard license.
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Discussion
Explain your reasoning, not just the letterOther Microsoft certifications
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FAQ
Learn More: https://learn.microsoft.com/en-us/credentials/
- Q1: What is the MS-721: Collaboration Communications Systems Engineer exam?
- A: MS-721: Collaboration Communications Systems Engineer is a Microsoft certification exam. Judging by the questions in our bank, it concentrates on microsoft, phone, phones, PSTN and direct.
- Q2: What topics does the MS-721: Collaboration Communications Systems Engineer exam cover?
- A: Questions in our MS-721: Collaboration Communications Systems Engineer bank cluster around microsoft, phone, phones, PSTN, direct, series, queue and user1. Working through the full set is the quickest way to find which of these you are weakest on.
- Q3: How should I prepare for MS-721: Collaboration Communications Systems Engineer?
- A: Work through the MS-721: Collaboration Communications Systems Engineer practice questions here, checking your answer on each one, then sit the practice test to rehearse the exam under timed conditions before the real thing.
- Q4: Are these real MS-721: Collaboration Communications Systems Engineer exam questions?
- A: They are drawn from officially released past questions and from community members who have sat MS-721: Collaboration Communications Systems Engineer. Answers are verified and updated weekly.
- Q5: Where do I register for the MS-721: Collaboration Communications Systems Engineer exam?
- A: Register through Microsoft directly at https://learn.microsoft.com/en-us/credentials/. Exampractice is not affiliated with Microsoft and does not administer the exam.
- Q6: Is there a free MS-721: Collaboration Communications Systems Engineer sample?
- A: Yes. Every MS-721: Collaboration Communications Systems Engineer page shows a free sample of real questions. Upgrading opens the full bank and the practice test.
- Q7: What are Microsoft Certification Exams?
- A: Microsoft Certification Exams validate your expertise in using and managing Microsoft’s technologies and solutions, including Azure, Office 365, Windows, and more. These certifications demonstrate your proficiency in deploying, configuring, and optimizing Microsoft products to support business operations and IT infrastructure.
- Q8: Why should I pursue Microsoft Certification?
- A: Microsoft Certification enhances your professional credibility, showcasing your skills and knowledge in Microsoft technologies. This can lead to better job opportunities, higher salaries, and career advancement in IT, cloud computing, software development, and related fields.
- Q9: What are the benefits of Microsoft Certification?
- A: Benefits include recognition as a certified Microsoft professional, improved job performance, access to exclusive resources, continuing education opportunities, and staying current with the latest Microsoft technologies and best practices.
- Q10: Who should take Microsoft Certification Exams?
- A: IT professionals, system administrators, developers, cloud engineers, data analysts, and anyone involved in managing and implementing Microsoft solutions should consider these certifications to validate their expertise and advance their careers.
- Q11: What types of Microsoft Certification Exams are available?
- A: Microsoft offers various certification paths, including:
- Q12: How do I prepare for Microsoft Certification Exams?
- A: Preparation can include official Microsoft training courses, study guides, practice exams, online tutorials, and hands-on experience with Microsoft products and solutions.
- Q13: Where can I take Microsoft Certification Exams?
- A: Microsoft Certification Exams can be taken online with remote proctoring or at authorized Pearson VUE testing centers worldwide, providing flexibility to fit your schedule and location.
- Q14: How do Microsoft Certifications impact my career?
- A: Microsoft Certifications significantly boost your career by demonstrating your expertise to employers, making you a more competitive candidate for advanced roles and promotions in IT, cloud computing, software development, and other tech-related fields.
- Q15: Are there any prerequisites for Microsoft Certification Exams?
- A: Some exams may have prerequisites, such as foundational knowledge or prior experience with Microsoft products. Check the specific requirements for each certification path on the Microsoft Learn website.
- Q16: How often do I need to recertify for Microsoft Certifications?
- A: Microsoft Certifications typically require renewal every year or two, depending on the certification, to ensure that certified professionals stay updated with the latest technologies and industry practices.



