Cisco
210-060 · Question #147
210-060 Question #147: Real Exam Question with Answer & Explanation
The correct answer is D: network routers and switches. When an entire department reports poor voice quality simultaneously, the shared network infrastructure - routers and switches - is the first fault domain to investigate because a problem there affects all users on that segment.
Question
An entire department is reporting frequent calls with poor voice quality. Which fault domain should be investigated first?
Options
- AIP phone
- BCisco Unified Communications Manager Media Resources
- CCisco Unified Communications Manager SIP Trunks
- Dnetwork routers and switches
Explanation
When an entire department reports poor voice quality simultaneously, the shared network infrastructure - routers and switches - is the first fault domain to investigate because a problem there affects all users on that segment.
Common mistakes.
- A. An IP phone hardware or configuration issue would typically affect only that individual user, not an entire department simultaneously.
- B. CUCM media resources such as transcoders and MTP resources are involved only in specific call scenarios (codec mismatches, SRTP) and would not cause widespread departmental voice degradation.
- C. SIP trunk problems affect calls traversing that trunk to or from external destinations, not the internal voice quality experienced by an entire department on local or on-net calls.
Concept tested. Fault domain isolation for department-wide voice quality degradation
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