MS-721 Question #28: Real Exam Question with Answer & Explanation

Question

You have a Microsoft Teams Phone deployment and a Survivable Branch Appliance (SBA) at a site. You add a new Teams user. You need to ensure that the user at the site can place and receive PSTN calls in the event of an internet outage. What should you do?

Options

• AAdd the user as a member of a call queue.
• BModify the online voice routing policy.
• CRun the Grant-CsTeamsSurvivableBranchAppliancePolicy cmdlet.
• DRun the Grant-CsTenantDialPlan cmdlet.

Explanation

{"question_number": 8, "question": "You have a Microsoft Teams Phone deployment and a Survivable Branch Appliance (SBA) at a site. You add a new Teams user. You need to ensure that the user at the site can place and receive PSTN calls in the event of an internet outage. What should you do?", "correct_answer": "C", "explanation": "A Survivable Branch Appliance (SBA) provides local PSTN calling capability during internet outages by locally authenticating Teams clients and routing calls through a connected SBC. However, for a user to benefit from the SBA, they must be assigned an SBA policy that links them to the specific appliance. The Grant-CsTeamsSurvivableBranchAppliancePolicy cmdlet (C) assigns that policy to the user, registering them with the SBA. Without this step, the user has no association with the SBA and cannot use it during an outage. Option A (adding to a call queue) is a call routing feature unrelated to SBA. Option B (modifying voice routing policy) affects normal call routing, not SBA survivability. Option D (Grant-CsTenantDialPlan) assigns a dial plan for number normalization, which does not enable SBA functionality.", "generated_by": "claude-sonnet", "llm_judge_score": 4}

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