210-060 Question #101: Real Exam Question with Answer & Explanation

The correct answer is B: Cisco Unified Communications Manager Media Resources. Conference calls require dedicated media resources in CUCM; when all conference calls fail, the Media Resources subsystem hosting conference bridges should be investigated first.

Question

An end user reports that conference calls are failing. Which fault domain should be investigated first?

Options

AIP phone
BCisco Unified Communications Manager Media Resources
Cvoice gateways
Dnetwork routers and switches

Explanation

Conference calls require dedicated media resources in CUCM; when all conference calls fail, the Media Resources subsystem hosting conference bridges should be investigated first.

Common mistakes.

A. An IP phone problem would typically affect only that individual user's calls, not all conference calls system-wide.
C. Voice gateways handle PSTN connectivity and are not responsible for the internal conference resource allocation required for multi-party calls.
D. Network infrastructure issues would cause broader call failures across all call types, not failures isolated to conference calls.

Concept tested. CUCM Media Resource Group conference bridge troubleshooting

Reference. https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/12_5_1/systemConfig/cucm_b_system-configuration-guide-1251/cucm_b_system-configuration-guide-1251_chapter_0101110.html

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