The design of an IP telephony system needs to meet the technical requirements to provide a connection to the PSTN as well as provide high-quality voice transmissions using the campus network. Which two elements directly affect the ability of the design to meet these requirements?(Choose two.)
- voice-enabled firewall
- PoE switches and patch panels
- redundant backbone connectivity
- voice-enabled router at the enterprise edge
- separate voice and data VLANs with QoS implemented
Exam with this question: CCNA Discovery 4: DCompNtwk Chapter 4 Exam
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