Which statement describes the use of voice VLANs in Cisco IP telephony?

IT Questions BankCategory: CCNA 3 v4Which statement describes the use of voice VLANs in Cisco IP telephony?

Which statement describes the use of voice VLANs in Cisco IP telephony?

  • The voice VLAN carries both tagged and untagged traffic.
  • The voice VLAN carries untagged traffic having special QoS markings.
  • The voice VLAN must be configured on the switch port to which the IP phone attaches.
  • Data and voice frames are tagged with same VLAN ID between the IP phone and the switch when a voice VLAN is configured.

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