220-1201 · Question #425
220-1201 Question #425: Real Exam Question with Answer & Explanation
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Question
Users in a 200-person call center report that phone calls experience severe performance degradation on busy days. The technician confirms: - Upload and download speeds are 50Mbps during a speed test. - VoIP call prioritization settings are properly configured for the VLAN that the call center uses. Which of the following is most likely the cause of this issue?
Options
- AThe QoS is not configured correctly on the router.
- BThe switchports dedicated to the call center are flapping.
- CThe call center's VLAN is not configured to allow voice traffic.
- DThe bandwidth dedicated to the call center is insufficient.
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