Cisco
100-890 · Question #1
100-890 Question #1: Real Exam Question with Answer & Explanation
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Question
How does the Cisco IP phone learn the voice VLAN ID?
Options
- Athrough Cisco Discovery Protocol from the switch
- Bthrough Cisco Discovery Protocol from the voice gateway
- Cthrough Cisco Discovery Protocol from the Cisco Unified CM
- Dthrough Cisco Discovery Protocol from the DHCP server
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