MS-721 — Collaboration Communications Systems Engineer Practice Test

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Description

If you roll out Teams Phone and set up meeting rooms, MS-721 is the exam for Microsoft's Collaboration Communications Systems Engineer title, and it replaced MS-720. Our practice questions focus on Teams Phone, Teams Rooms and devices, meetings and webinars, and planning the overall system.

Free MS-721 sample questions with answers

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Stop guessing what will be on the exam. Our question banks are meticulously mapped to the official syllabus, ensuring comprehensive coverage of every domain and objective. Review the topics below to see exactly what you will be tested on.

MS-721Collaboration Communications Systems Engineer
Mapped
Domains Covered
Plan and design collaboration communications systems
Configure and manage Teams meetings, webinars, and town halls
Implement and configure Teams Phone
Configure and manage Teams Rooms and devices

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Q 50 / 5002:14
Which protocol operates at the transport layer?
A HTTP
B TCP
C ARP
D ICMP
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Correct
Option B is correct — TCP operates at the transport layer
Why?
TCP (Transmission Control Protocol) provides reliable, connection-oriented communication at Layer 4 of the OSI model.

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186
practice questions

MS-721 Questions

Study from 186 practice questions aligned to the latest MS-721 objectives.

Fundamentals
Entry-level cloud, AI, data, security, and platform literacy
Associate
Role-based credentials for Azure, M365, Security, Data, and Power Platform
Expert
Advanced architecture and engineering across Azure, Security, and Power Platform

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MS-721 is part of the Microsoft certification pathway. See how this exam connects to your long-term career goals.

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Get all new and old versions of the Collaboration Communications Systems Engineer practice test so you have multiple question sets to study from. When objectives change, your question pool updates automatically.

Why is TCP connection-oriented?
TCP uses a three-way handshake (SYN, SYN-ACK, ACK) to establish a reliable session before data transfer begins...

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ExamJungle MS-721 Practice Tests give you real questions, answers, and detailed explanations — supplementing your studying with practice questions alongside other sources is the best way to ace your exam. Students who use ExamJungle Practice Tests consistently perform better on exam day and advance further in their careers. Certified professionals earn up to 30% higher salaries than their non-certified peers — investing in your skills today pays off for years to come.

Frequently asked questions

Everything you need to know about prepping for MS-721.

What is the MS-721 exam format?
Official format is typically 40-60 questions, 100 minutes, passing score 700/100-1000. Available in 7 languages.
How much does the MS-721 exam cost?
The official exam fee is $165 USD. Pricing may vary by country, currency, or voucher.
What topics are on the MS-721 exam?
The MS-721 syllabus is organized into 4 domains. (Last updated: 2025-04-30)
  • Implement and configure Teams Phone (32.5%)
  • Configure and manage Teams Rooms and devices (22.5%)
  • Plan and design collaboration communications systems (20%)
  • Configure and manage Teams meetings, webinars, and town halls (17.5%)
How should I prioritize the MS-721 syllabus?
Start with the highest‑weight domains first: Implement and configure Teams Phone, Configure and manage Teams Rooms and devices, Plan and design collaboration communications systems. Then work down the list and use practice questions to validate each topic.
Who should take the MS-721 exam?
This exam is commonly taken by Teams Administrators. Review recommended experience and the syllabus domains on this page.
Is the MS-721 exam active in 2026?
Current status: ACTIVE. Last content update: 2025-04-30.
How long is the MS-721 certification valid?
Certification validity is typically 1 year. Recertification options vary by vendor and program.
When was MS-721 released and when does it retire?
Released: 2023-03-15.
How many MS-721 practice questions are included on ExamJungle?
This MS-721 practice test includes 186 practice questions in the simulator, with explanations and study tools.
Is this the real MS-721 exam?
No, but the questions mirror the format, difficulty, and objectives so you are fully prepared.
How long do I get access?
Access depends on your plan, with ongoing updates to the MS-721 pool.
Can I study on mobile?
Yes, the simulator is optimized for desktop and mobile so you can keep studying anywhere.
Does this include explanations?
Yes, detailed explanations are included for every question.

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