When implementing an IP telephony solution, why should VLANs be used?
- to allow the use of a single IP gateway
- to separate voice from data traffic for ease of prioritization
- to allow the PBX to use VLAN IDs to filter both voice and data traffic
- to allow connectivity between traditional phone devices and IP-based telephony devices
Exam with this question: CCNA Discovery 4: DCompNtwk Final Exam
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