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MS-721 Collaboration Communications Systems Engineer

in Microsoft

Microsoft MS-721 Actual Exam Questions

Last updated on Oct 31, 2026.

311 Questions & Answers

Practice MS-721 questions and answers on Teams Phone, call routing, emergency calling and communications quality. Select Reveal Solution after choosing your answer.

Question #1 Topic: Exam A

A Teams Phone deployment must route calls through the organization’s on-premises telephony system. Which connectivity option should be configured?

  • A. Direct Routing
  • B. Audio Conferencing
  • C. External access
  • D. Shared channels
Reveal Solution
Correct Answer: A
Direct Routing connects Teams Phone to a supported session border controller and an on-premises telephony environment.
Question #2 Topic: Exam A

You need to assign a telephone number to a Teams user who has the required calling license. Which admin center is used?

  • A. Teams admin center
  • B. Microsoft Purview portal
  • C. SharePoint admin center
  • D. Azure Cost Management
Reveal Solution
Correct Answer: A
Teams admin center manages voice users, phone numbers and calling policies.
Question #3 Topic: Exam A

An emergency call must include a validated location for a user working from an office. Which configuration is required?

  • A. Emergency addresses and locations
  • B. Retention labels
  • C. App setup policies
  • D. Channel moderation
Reveal Solution
Correct Answer: A
Emergency addresses and locations associate users or network information with dispatchable location details.
Question #4 Topic: Exam A

A call queue should distribute incoming calls to a group of agents. What must be configured?

  • A. Resource account, agents and call distribution settings
  • B. SharePoint site and owners
  • C. Conditional Access named location only
  • D. Exchange connector
Reveal Solution
Correct Answer: A
Call queues use a resource account and configured agents and routing behavior to distribute calls.
Question #5 Topic: Exam A

A Teams user should receive calls on behalf of another user while the other user is unavailable. Which feature supports this?

  • A. Delegation
  • B. Shared channel
  • C. External access
  • D. App permission policy
Reveal Solution
Correct Answer: A
Call delegation lets a delegate make and receive calls on behalf of another user.

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