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Microsoft 365 Certified: Collaboration Communications Systems Engineer Associate MS-721 Question # 19 Topic 2 Discussion

MS-721 Exam Topic 2 Question 19 Discussion:
Question #: 19
Topic #: 2

You have a Microsoft Teams Phone deployment that uses Direct Routing. The deployment has the following configurations:

    Direct Routing Session Border Controller (SBC) public IP subnet: 198.51.100.0/24

    Teams client external IP subnet: 203.0.113.0/24

    Teams client internal IP subnet: 192.168.0.0/24

You need to configure the network topology to support emergency call routing.

Which network range should you add to the trusted IP addresses?
A.

52 112 0 0/14

B.

198 51 100 0/24

C.

203.0.113.0/24

D.

192 168 0 0/24

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Actual exam question for Microsoft MS-721 exam by Blaise44844 at May 3, 2026, 5:34:00 PM

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