100+ Free MS-721 Practice Questions
Pass your Microsoft 365 Certified: Collaboration Communications Systems Engineer Associate (MS-721) exam on the first try — instant access, no signup required.
Which Microsoft Teams Phone PSTN connectivity option requires you to deploy and operate your own Session Border Controllers (SBCs) and bring your own carrier?
Key Facts: MS-721 Exam
40-60 Q
Typical Question Count
Microsoft exam-experience policy
100 min
Exam Duration
Microsoft associate exam policy
700/1000
Passing Score
Microsoft
US$165
US Exam Fee
Microsoft pricing
30-35%
Largest Domain
Configure and manage Teams Phone
12 months
Renewal Cycle
Free via Microsoft Learn
MS-721 is a Microsoft associate role-based exam with a 700/1000 passing score and 100 minutes to answer 40-60 questions, scheduled through Pearson VUE for US$165 in the United States. The current English skills outline weights Plan and design collaboration communications systems at 20-25%, Configure and manage Teams meetings, webinars, and town halls at 15-20%, Configure and manage Teams Phone at 30-35%, and Configure and manage Teams Rooms and devices at 20-25%. The English version updates April 28, 2026 - re-check the study guide before scheduling.
Sample MS-721 Practice Questions
Try these sample questions to test your MS-721 exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.
1Which Microsoft Teams Phone PSTN connectivity option requires you to deploy and operate your own Session Border Controllers (SBCs) and bring your own carrier?
2A user needs to make and receive PSTN calls in Teams using Microsoft as the telephony carrier in the United States. Which two licenses are minimally required in addition to a Teams license?
3Which license is required for an auto attendant or call queue resource account that needs an assigned phone number?
4In a Direct Routing deployment, which protocol is used between Teams and a Session Border Controller (SBC) for call signaling?
5Which port must be open on the SBC for SIP signaling to Microsoft Teams Direct Routing by default?
6Which FQDN should resolve to a certified Session Border Controller (SBC) so that Microsoft Teams Direct Routing can pair with it?
7In Teams Direct Routing voice routing, what is the correct order of objects evaluated when a user dials a number?
8Which PowerShell cmdlet assigns a Direct Routing online voice routing policy to a user?
9What is the purpose of OPTIONS pings sent between Microsoft Teams and a Session Border Controller?
10Which Direct Routing feature reduces the WAN media path by allowing Teams clients on a corporate network to send RTP media directly to the SBC without going through the Microsoft cloud?
About the MS-721 Exam
MS-721 is the Microsoft associate exam for collaboration communications systems engineers responsible for planning, deploying, configuring, and troubleshooting Microsoft Teams Phone, meetings, webinars, town halls, Teams Rooms, and certified devices. It is a required exam for the Microsoft 365 Certified: Collaboration Communications Systems Engineer Associate certification.
Questions
40-60 scored questions
Time Limit
100 minutes
Passing Score
700/1000
Exam Fee
US$165 (Microsoft / Pearson VUE)
MS-721 Exam Content Outline
Plan and Design Collaboration Communications Systems
Plan Teams meetings/webinars/town halls and meeting policies, plan Teams Phone PSTN connectivity (Calling Plans, Direct Routing, Operator Connect, Teams Phone Mobile), design SBC topology, plan auto attendant and call queue call flows, design dynamic emergency calling, plan Teams-certified devices and Teams Rooms, and prepare the network with Network Planner, Network Assessment Tool, eCDN, and QoS
Configure and Manage Teams Meetings, Webinars, and Town Halls
Meeting policies and templates, controlled-content policies, Cloud Video Interop, recording and transcription, Teams Premium and Microsoft 365 Copilot for meetings, virtual appointments, Audio Conferencing bridges and toll/toll-free numbers, webinar roles and presenter/attendee experience, town hall settings and eCDN integration
Configure and Manage Teams Phone
Calling, dial, caller ID, call park, mobility, voicemail, hold, IP phone, and Shared Calling policies; auto attendants and call queues with resource accounts and routing methods; emergency calling locations, routing policies, and LIS configuration; Teams Phone licensing and number assignment with PowerShell; Cloud Voicemail, group call pickup, call forwarding, simultaneous ring, delegation, and private lines; Direct Routing SBC pairing, voice routes, PSTN usages, voice routing policies, media bypass, Local Media Optimization, Location-Based Routing, and SBA
Configure and Manage Teams Rooms and Devices
Manage device settings, network, updates, Conditional Access exceptions, and Intune enrollment for Teams Rooms on Windows and Android, MDEP/AOSP devices, common area phones, and SIP devices; configure Teams Rooms peripherals, custom displays, XML configuration, HDMI ingest, content cameras, Teams casting, proximity join, hot desking, and AI-enabled audio/video; manage BYOD spaces and bookable desks
How to Pass the MS-721 Exam
What You Need to Know
- Passing score: 700/1000
- Exam length: 40-60 questions
- Time limit: 100 minutes
- Exam fee: US$165
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
MS-721 Study Tips from Top Performers
Frequently Asked Questions
What is the MS-721 exam?
MS-721 is the Microsoft 365 Certified: Collaboration Communications Systems Engineer Associate exam. It validates skills to plan, deploy, configure, and troubleshoot Microsoft Teams Phone, Teams meetings, webinars, town halls, Teams Rooms, and certified devices using the Teams admin center, the Teams Rooms Pro Management portal, PowerShell, and the Microsoft Call Quality Dashboard.
How many questions are on the MS-721 exam and how long do I have?
Microsoft's current exam-experience policy says most certification exams contain 40-60 questions. MS-721 is an associate exam with 100 minutes to complete it, and the passing score is 700 out of 1000.
What is the MS-721 exam cost in 2026?
The MS-721 exam fee is US$165 in the United States; price varies by country/region per Microsoft's published pricing. Microsoft 365 role-based certifications include free annual renewal via Microsoft Learn assessments, with no additional cost to maintain the credential.
What are the current MS-721 domain weights?
The current skills outline weights Plan and design collaboration communications systems at 20-25%, Configure and manage Teams meetings, webinars, and town halls at 15-20%, Configure and manage Teams Phone at 30-35%, and Configure and manage Teams Rooms and devices at 20-25%. The English version of the exam will be updated on April 28, 2026.
Do I need a prerequisite before taking MS-721?
There is no formal prerequisite to sit MS-721, but Microsoft recommends candidates already hold the Teams Administrator Associate (MS-700) and have hands-on experience configuring Teams Phone, Teams Rooms, certified devices, and Teams meetings/webinars/town halls.
How should I prepare for MS-721?
Plan 4-8 weeks of focused study. Spend the most time on Teams Phone (largest domain at 30-35%), then Teams Rooms/devices and planning/design. Use the free Microsoft Learn paths, set up a trial Microsoft 365 tenant for hands-on practice with Direct Routing/SBC, dynamic emergency calling, auto attendants, call queues, and PowerShell, and complete 100+ practice questions with timed runs.