Download Microsoft : MS-721 Questions & Answers as PDF & Test Software
Last Updated: Sep 09, 2026
No. of Questions: 376 Questions & Answers with Testing Engine
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The MS-721 exam has a reputation for tripping up even experienced professionals, and the 2026 blueprint is no gentler. TestSimulate breaks Microsoft Collaboration Communications Systems Engineer down into 376 practice questions with verified answers, turning a formidable test into a series of manageable study sessions.
Microsoft MS-721 Exam Overview:
| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Microsoft 365 Certified: Collaboration Communications Systems Engineer Associate |
| Exam Number: | MS-721 |
| Exam Duration: | 100-120 |
| Exam Format: | Multiple select, Multiple choice, Build list, Drag and drop, Case study |
| Exam Price: | $165 USD |
| Related Certifications: | Microsoft 365 Certified: Collaboration Communications Systems Engineer Associate |
| Passing Score: | 700 |
| Real Exam Qty: | 40-60 |
| Certificate Validity Period: | 1 year (renewal required) |
| Available Languages: | Korean, Arabic (Saudi Arabia), Chinese (Simplified), French, Indonesian (Indonesia), Japanese, Russian, Chinese (Traditional), English, Spanish, Turkish, German, Portuguese (Brazil), Italian |
| Sample Questions: | Microsoft MS-721 Sample Questions |
| Exam Way: | Online proctored exam or In-person at Pearson VUE testing centers |
| Pre Condition: | Candidates should have experience with Microsoft 365, networking, telecommunications, and PowerShell. Recommended to have Microsoft 365 Certified: Teams Administrator Associate certification or equivalent knowledge. |
| Official Syllabus URL: | https://learn.microsoft.com/en-us/credentials/certifications/exams/ms-721/ |
Microsoft MS-721 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Manage collaboration communications systems | 25% | - Monitor and troubleshoot meetings and conferencing
|
| Topic 2: Plan and design collaboration communications systems | 30% | - Plan and configure network settings for Microsoft Teams
|
| Topic 3: Configure and manage Teams Phone | 25% | - Configure emergency calling
|
| Topic 4: Configure and manage Teams meetings and conferencing | 20% | - Configure and manage meeting experiences
|
Microsoft Collaboration Communications Systems Engineer FAQ: What Candidates Ask Most
The MS-721 exam is the official Microsoft exam behind Microsoft Collaboration Communications Systems Engineer — passing it earns you the Microsoft 365 Certified certification, a credential positioned at the Associate level. It is built for candidates who want to validate the skills measured by Microsoft Collaboration Communications Systems Engineer. Depending on your track, the exam is also linked to the Microsoft 365 Certified: Collaboration Communications Systems Engineer Associate certification, so one pass can move you toward more than one Microsoft credential.
The MS-721 exam presents 40-60 questions to be completed within 100-120. That pace leaves little room for second-guessing: read each question carefully on the first pass, flag the ones you want to revisit, and keep moving instead of stalling on a single item. Before exam day, run at least one full timed session in the TestSimulate desktop or online test engine with a comparable question load — a steady rhythm under the clock is a trainable skill, and it is often what separates a pass from a near miss.
To pass the MS-721 exam you need 700, and the official registration fee is $165 USD. Keep in mind that a failed attempt means paying that fee again in full — retakes are not discounted. Given the cost, self-test before you book: if you can score comfortably above the passing mark on two or three consecutive timed TestSimulate practice tests, your budget is far better spent on the exam itself than on a retake.
Candidates should have experience with Microsoft 365, networking, telecommunications, and PowerShell. Recommended to have Microsoft 365 Certified: Teams Administrator Associate certification or equivalent knowledge. Because Microsoft revises its certification programs from time to time, treat this as a starting point rather than the final word. Confirm the current eligibility requirements on the official Microsoft exam page before you register.
Yes. A free PDF demo of the MS-721 practice questions is available, so you can check the question style and answer quality before spending anything. Every purchase also includes 365 days of free updates — whenever Microsoft adjusts the Microsoft Collaboration Communications Systems Engineer blueprint, your material is refreshed at no cost during that period. After the first year, you can extend the update service at a 50% discount from your member zone.
TestSimulate backs your purchase with a 100% Money Back Guarantee. If you take the corresponding exam within 60 days of purchase and do not pass, you can claim a full refund by submitting a scanned copy of your exam enrollment slip together with the official Score Report PDF within 2 days of your exam date; approved claims are processed within 7 days. The guarantee applies only to the exam matching your purchase, the candidate name must match the payer name, and it does not cover attempts taken within 3 days of purchase, candidates who downloaded the material but never sat the exam, expired orders, or free materials. If you would rather keep preparing, you can exchange the product for two free exam preparation packages of equal value and keep the update service on your original purchase.
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The Microsoft Collaboration Communications Systems Engineer syllabus is organized into 4 domains. Among the headline areas are Plan and design collaboration communications systems (30%), Manage collaboration communications systems (25%), Configure and manage Teams meetings and conferencing (20%). Rather than copying every subtopic here, we keep the complete, current outline in the Exam Topics section above — work through it domain by domain with the TestSimulate MS-721 practice questions so nothing on the blueprint catches you off guard.
Microsoft Collaboration Communications Systems Engineer Sample Questions:
Hotspot Question
You have a Microsoft Teams deployment.
Currently, all meeting invites only display in English.
You need to ensure that join information for the meeting invites display in both English and Spanish.
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 uses Direct Routing.
You create a new user named User1.
You need to assign User1 a new Direct Routing phone number that has NOT been uploaded to Teams. The solution must minimize administrative effort.
What should you do?
- A. From the user profile of User1, manually enter the Direct Routing number.
- B. Upload the number to Teams, and then assign the number from the phone number list.
- C. From the user profile of User1, assign the number from the phone number list.
- D. Upload the number to Teams, and then assign the number from the user profile of User1.
Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).
You have a Microsoft Teams Phone deployment.
You plan to deploy 50 Microsoft-certified SIP devices to a remote site. A DHCP server will be used to assign IP address and scope options to all the devices.
Which SIP Gateway provisioning URL should you add to the DHCP server?
- A. sip.pstnhub.microsoft.com
- B. https://aka.ms/sipremotelogin
- C. http://noam.ipp.sdg.teams.microsoft.com
- D. https://teams.microsoft.com/v2/
Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).
Hotspot Question
You have a Teams Phone deployment for your company. The company is settings up Direct Routing and it adds a Session Border Controller (SBC). The manager reports that users cannot make calls normally on devices running Windows 10.
You need to troubleshoot the issue.
What should you do? To answer, select the appropriate options in the answer area.
Explanation:
You should access the Teams admin center portal. The Teams admin center portal is the place where you can manage the settings and configurations of the company's Teams. You can use this portal to manage objects within Teams, such as users, channels, etc. You can also access a health dashboard related to Direct Routing where you will find details related to any issues occurring with users. One of the reasons why the users cannot make calls may be related to a Transport Layer Security (TLS) connection issue caused by the Session Border Controller (SBC) certificate that must be valid, and neither expired nor revoked.
You should not access the Azure portal. You can use the Azure portal to manage your tenant's objects, such as users, groups, etc. This portal provides identity services for users and protection for sign-ins to your tenant's apps. It also provides protection against domains that you do not want your users to be able to access through the tenant's apps.
You should not access the Microsoft 365 compliance center. You can use this portal to manage the privacy policies for your tenant and to protect your tenant's information using the variety of tools that it provides, such as data classification tools and data connectors.
You should also use a certificate generated from a valid Certificate Authority (CA). These certificates are the ones that an SBC must have in order to ensure that no TLS connections can occur. As previously mentioned, if the certificate is not valid, these connection issues will occur.
To obtain a valid certificate, you must send a request to a valid CA in order for them to generate a certificate that can be used with the SBC.
You should not use a Service certificate. This is a certificate that is attached to cloud services within Azure. You can use Service certificates to achieve a secure connection between your system and a cloud service that uses a Hypertext Transfer Protocol Secure (HTTPS) endpoint.
You should not modify the Devices setting in the Teams admin center. You can use this setting to manage the fields that are related to the Surface Hub devices that are used in Teams meetings.
You would modify the Devices setting if you wanted to enable or disable Surface Hub accounts from sending mails within Teams.
Your on-premises network contains an Active Directory Domain Services (AD DS) domain.
You have a Microsoft Teams deployment that contains Teams Rooms on Windows devices.
You create an organizational unit (OU) named OU1 and join the devices to the domain.
You create a Group Policy Object (GPO) named GPO1 and link GPO1 to OU1.
You need to ensure that only the settings configured in GPO1 apply to the devices.
What should you do?
- A. Link GPO1 to the domain.
- B. Run the Group Policy Modeling Wizard for OU1.
- C. Set GPO1 to Enforced.
- D. Configure block inheritance for OU1.
Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).
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