Nobody budgets for a retake, yet a failed Microsoft Collaboration Communications Systems Engineer attempt bills you the full fee a second time. The MS-721 practice questions at CertkingdomPDF — 290 of them, with verified answers — exist to make your first sitting your only one.
Microsoft MS-721 Exam Overview:
| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Microsoft Teams Collaboration Communications Systems Engineer |
| Exam Number: | MS-721 |
| Exam Format: | Multiple response, Multiple choice, Case studies |
| Available Languages: | Japanese, Spanish (Latin America), Chinese (Simplified), English, French, Portuguese (Brazil), Korean, German |
| Exam Duration: | 100-120 |
| Related Certifications: | Microsoft Teams Phone Engineer Microsoft Teams Administrator Associate Microsoft 365 Fundamentals |
| Certificate Validity Period: | 1 year (renewable annually) |
| Exam Price: | USD 165 (varies by region) |
| Passing Score: | 700 |
| Recommended Training: | Microsoft Teams Administration Learning Modules Microsoft Learn MS-721 Training Path |
| Exam Registration: | Pearson VUE Microsoft Exams Official Microsoft Exam Registration |
| Sample Questions: | ![]() |
| Exam Way: | Online proctored or onsite test center (Pearson VUE) |
| Pre Condition: | Recommended experience with Microsoft Teams administration, Microsoft 365 services, and enterprise voice/communications systems. |
| Official Syllabus URL: | https://learn.microsoft.com/en-us/credentials/certifications/exams/ms-721/ |
Microsoft MS-721 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Configure meetings, conferencing, and collaboration experiences | - Configure meeting policies and settings - Configure webinar and live event experiences - Manage audio/video conferencing |
| Configure and manage Microsoft Teams Phone | - Configure PSTN connectivity options - Configure calling policies and auto attendants - Manage phone numbers and voice routing |
| Monitor, troubleshoot, and optimize Teams communications | - Use Teams admin center monitoring tools - Analyze usage and performance reports - Troubleshoot call quality and connectivity issues |
| Plan and configure Microsoft Teams collaboration and communications systems | - Configure Teams policies and settings - Plan network requirements for Teams - Design Teams collaboration architecture |
| Implement security and compliance for Teams communications | - Configure compliance policies for Teams - Manage eDiscovery and audit capabilities |
| Manage Teams devices and rooms | - Configure certified Teams devices - Deploy and manage Microsoft Teams Rooms |
The MS-721 Exam, Explained: Your Top Questions
Microsoft recommends these training resources for the Microsoft Collaboration Communications Systems Engineer:
Courses give you the map; practice teaches you to drive. Finish any of the options above, then sharpen your readiness with 290 practice questions from CertkingdomPDF before you schedule the real thing.
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Recommended experience with Microsoft Teams administration, Microsoft 365 services, and enterprise voice/communications systems.
Vendor requirements do change, so before you commit to an exam date, confirm the latest eligibility rules on the official Microsoft exam page.
The Microsoft Collaboration Communications Systems Engineer syllabus is split into 6 domains, anchored by Implement security and compliance for Teams communications, Configure meetings, conferencing, and collaboration experiences, and Configure and manage Microsoft Teams Phone. The full breakdown sits in the syllabus section above — treat it as the checklist that decides where your study hours go.
The passing mark for the MS-721 exam is 700, and the official registration fee is USD 165 (varies by region). Remember that the fee covers a single attempt — fail, and the retake costs the same again with no loyalty discount. Protect the budget by self-testing first: drill 290 practice questions at CertkingdomPDF under timed conditions until your scores clear the bar with margin, then register.
The MS-721 exam, officially the Collaboration Communications Systems Engineer, is Microsoft's benchmark for proving you can work with its technologies in professional settings; passing it awards the Microsoft Certified: Teams Collaboration Communications Systems Engineer Expert certification, which sits at the Expert level. Because the credential is issued by the vendor itself, it carries weight with employers that self-assessed skills simply cannot match. It also opens the road toward Microsoft 365 Fundamentals, Microsoft Teams Administrator Associate, Microsoft Teams Phone Engineer.
Yes — CertkingdomPDF publishes a free PDF demo of the MS-721 materials so you can check the question quality and verified answers before paying anything. Once you purchase, 365 days of free updates come standard, and if your product expires you can renew the update service at a 50% discount from your member zone.
Registration for the Microsoft Collaboration Communications Systems Engineer runs through the official channels below:
Worth knowing before you book: the MS-721 exam is delivered Online proctored or onsite test center (Pearson VUE).
Microsoft Collaboration Communications Systems Engineer Sample Questions:
You have a Microsoft 365 E5 subscription that uses Microsoft Teams.
You need to enable Virtual Appointments to meet the following requirements:
* Company branding must appear when participants join meetings.
* Meeting reminders must be sent to participants via SMS text messages.
Which license should you acquire, and which type of policy should you configure in the Microsoft Teams admin center? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Correct Answer:

Explanation:
Your network contains an on-premises Active Directory Domain Services (AD DS) domain named contoso.
com.
You have a Microsoft 365 E5 subscription.
You are deploying 10 Microsoft Teams Rooms on Windows devices.
You need to join all the devices to contoso.com.
What should you do before you join each device to contoso.com?
- A. Modify the authentication settings in the SkypeSettings-xml file of each device.
- B. Create a separate organizational unit (OU) in Active Directory and enable No Override for the parent Group Policy Object (GPO) policies.
- C. Create a separate organizational unit (OU) in Active Directory and block Group Policy Object (GPO) policy inheritance.
- D. Disable Windows Update on each device.
Correct Answer: C 🗳️
You are migrating users from Microsoft Skype for Business to Microsoft Teams.
You plan to create an auto attendant that can be used by all the users during the migration.
You need to create the resource account for the auto attendant
What should you use?
- A. the New-CsOnlineApplicationlnstance cmdlet
- B. the Resource accounts node in the Microsoft Teams admin center
- C. the Users node in the Microsoft 365 admin center
- D. the New-CsOnlineApplicationEndpoint cmdlet
- E. the New-CsHybridApplicationEndpoint cmdlet
Correct Answer: B 🗳️
You have a Microsoft Teams Phone deployment.
When you attempt to deploy a Session Border Controller (SBC) named sfac1xontoso.com. you receive the following error message: " We cant use the " SBCl-Contoso.com " domain as it hasn ' t been set up in the organization. Try agaax. If you continue to have problems, contact Microsoft customer support. " You need to add the SBC to the tenant.
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.
Correct Answer:

You have a Microsoft Teams Phone deployment.
You are deploying Direct Routing.
All users have a SIP URI in the format of [email protected]. The Session Border Controller (SBC) is named sbc.voice.contoso.com.
When troubleshooting errors on the SBC, you receive the warning shown in the following exhibit.
What is a possible cause of the issue?
- A. The certificate does not match the FQDN on the SBC.
- B. The firewall blocks inbound traffic on port 443 to the SBC.
- C. Only TLS 1.0 is enabled on the SBC.
- D. Microsoft 365 Phone System licenses are not assigned to the users.
Correct Answer: A 🗳️
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