MS-721 Question #32: Real Exam Question with Answer & Explanation

Question

You have a Microsoft Teams Phone deployment. You need to implement Local Media Optimization for Direct Routing users at a site. Users at the site frequently perform the following actions: - Park calls. - Place calls on hold. - Transfer calls to other users. - Escalate calls to conference calls. Which action will be affected by implementing Local Media Optimization?

Options

• APark calls.
• BTransfer calls to other users.
• CEscalate calls to conference calls.
• DPlace calls on hold.

Explanation

{"question_number": 1, "question": "Which action will be affected by implementing Local Media Optimization?", "correct_answer": "C. Escalate calls to conference calls.", "explanation": "Local Media Optimization (LMO) for Direct Routing keeps media traffic local within a site, routing it through the on-site Session Border Controller (SBC) instead of going up to Microsoft's cloud infrastructure. However, LMO has a fundamental limitation: it only supports point-to-point calls. When a user escalates a call to a conference (adds a third party to create a conference call), the media must flow through Microsoft's conferencing servers in the cloud, which breaks the local media path. This means LMO cannot optimize media for conference calls - escalating to a conference forces media to traverse the cloud regardless of LMO configuration. Park, hold, and basic transfers are standard call control operations that do not require Microsoft conferencing infrastructure and are unaffected by LMO.", "generated_by": "claude-sonnet", "llm_judge_score": 4}

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