How does the Cisco IP phone learn the voice VLAN ID?

Question

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

• A
  84% (31)
• B
  5% (2)
• C
  3% (1)
• D
  8% (3)

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